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''The Princess Diaries'' is a YoungAdult book series by MegCabot following the exploits of Amelia "Mia" Thermopolis, a teenager who goes to Albert Einstein High School and lives with her strongly liberal single mom. Her life changes drastically when her father comes for a visit. After being treated for testicular cancer, he is no longer able to have children. Because of this, he finally tells Mia a secret he, her mother, and her grandmother ("Grandmere") have been keeping from her for years: he is really the Prince of the fictional principality of Genovia. Because of his illness and treatment, Mia is now Her Royal Highness of the country and [[HiddenBackupPrince the heir to the throne of Genovia.]]

Upon first hearing the news, Mia objects to the idea of having to become a princess and having to rule over Genovia. She also fears that this new status will make her an outcast at her school and [[IJustWantToBeNormal would rather just be a normal teenager.]] The series follows Mia as she slowly adjusts to becoming a Princess and coming to terms with the idea of being a ruler.

In 2001, the first book was adapted into [[Film/ThePrincessDiaries a movie]] starring Creator/AnneHathaway and JulieAndrews. It was followed by a sequel in 2004, ''The Princess Diaries 2: Royal Engagement''. Both movies have a [[BroadStrokes large number of changes]] from the novels, with the second not resembling any plot point of any of the books with the exception of Mia's mother marrying her teacher and having a baby with him.

In 2015, Meg released two spinoffs: ''Royal Wedding'' which is an adult novel that follows Mia as a 25-year old, and ''Literature/NotebooksOfAMiddleSchoolPrincess'', which follows Mia's recently revealed half-sister.
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!!Tropes in the books include:

* ACupAngst: Mia, a LOT. [[spoiler: She gets rid of this when her breasts develop in ''Princess Mia.'']]
* AdaptationDecay: The movies are referenced humorously as InUniverse examples. Almost every time they come up in the books, Mia makes a snide remark. She has little problem with the first movie, aside from how they portray her grandmother and how they kill her dad. The second film is the one she critiques for the decay (MegCabot has said that she liked the first film and hated the sequel).
* {{Adorkable}}: Mia, at some points.
* AllFirstPersonNarratorsWriteLikeNovelists: Zigzagged, sometimes Mia writes like this, sometimes she doesn't. Not to mention that Mia really is an aspiring novelist so it would make sense for her to write like this.
* AllLoveIsUnrequited: [[spoiler:In book 5, Boris towards Lilly. Also, Lilly towards JP.]]
* AllPsychologyIsFreudian: Averted, Lilly's parents are Jungian Psychiatrists and Mia tries for years to achieve self-actualisation.
* AlphaBitch: Lana Weinberger.
** LovableAlphaBitch: After she changes her attitude towards Mia.
* AmbiguousGender: Poor, poor Perin.
* ArabOilSheikh: Tina's father.
* BaldOfAwesome: Mia's father- she even compares him to [[Series/StarTrekTheNextGeneration Jean-Luc Picard]].
* BetaCouple: Originally, Boris and Lilly, later Boris and Tina. Briefly there was also JP and Lilly, before JP moved on to Mia and Lilly moved on to Kenny.
* BettyAndVeronica: Mia between Michael (Betty) and Josh (Veronica) in the first book (and movie). In the later books it's Mia between JP (Betty) and Michael (Veronica).
* BewareTheNiceOnes: Mia in Book Ten is gracious to [[spoiler: JP during their breakup]], but then she calls the Genovian lawyers to [[spoiler: put a cease and desist on his play]] for what he did to [[spoiler: Lilly.]] You don't want to cross a princess with a cellphone.
* BigBrotherInstinct:
** Michael in general has this towards Lilly, but he's not afraid to call her out for being a {{Jerkass}}.
** Mia is the older sister version of this towards Rocky. She adores him, worries about his health, and wants to protect him from all infectious diseases.
* BigNo: Mia has a couple moments of these. Usually involving Grandmere.
* BitchInSheepsClothing: [[spoiler:J.P. turns out to be a ManipulativeBastard who was mainly using Mia to get famous.]]
* BlatantLies: Lana's election speech in Book 6 is full of these- in essence, she tells the crowd that she'll get them exactly what they want, despite the fact that, as Mia knows, it'd be impossible to get it (and in some cases, getting it would be totally unfair on others).
* BookDumb: Mia considers herself this, but, apart from [[WritersCannotDoMath math]], [[UnreliableNarrator it's hard for the reader to tell]].
** Lana and Trish consider her pretty smart but she spends a lot of time with [[TeenGenius Teen Geniuses]] Lilly and Michael which gives her a very high standard of intelligence. She is not very good at math and science, but is very good at English and speaks seemingly fluent French at times.
* BrickJoke: Mia's boyfriend suggests going bowling instead of going to prom. Years later, there is a reference to spending the night at an "all night bowling alley." Doubles as an UnusualEuphemism.
* CerebusRetcon:
** It's a RunningGag that after Mia and Michael get together she becomes neurotic about him breaking up with her because of her flaws and lack of accomplishments. [[spoiler: Then she breaks up with him after learning of his sexual history, and as a result of the ensuing TraumaCongaLine needs therapy to realize that she has to become the change she wants to have, and to make great accomplishments.]]
** Lilly and Mia stop being friends during the first book when Lilly insults Mia for getting an UnnecessaryMakeover (at least Mia in-universe thinks it's unnecessary]], but they make up by the end. Then [[spoiler: after Mia kisses JP by accident after breaking up with Michael, their relationship becomes strained for several books.]]
* ChangelingFantasy: Mia discovers that she's the princess of Genovia. Deconstructed, as it turns out to be a lot less fun than one might expect.
* CharacterDevelopment:
** The series is a ComingOfAgeStory as Mia goes from an insecure, neurotic 14-year-old to a strong, confident, friendly woman you could see leading people (albeit still very neurotic).
** Lana goes from AlphaBitch to one of Mia's good friends.
* CharacterOverlap: One of the novels has Mia reference Sam from ''All-American Girl'' and Jess from ''1-800-Where-R-U'', two of MegCabot's other works.
* ChekhovsGunman:
** [[spoiler:The Guy Who Hates It When They Put Corn In The Chili, JP Reynolds-Abernathy the Fourth ends up becoming Mia's boyfriend after she and Michael break up in the eighth book.]]
** Prince Rene, Mia's cousin who Grandmere wants her to date, ends up [[spoiler: running against Mia's dad ]] when Genovia has [[spoiler: elections for prime minister]].
* CloudCuckoolander: Tina is this sometimes. Mia comments several times that she "wonders what it's like in Tinaland. Everything must be very shiny there."
* ComicBookTime: Subverted. The series takes place over four years, as Mia attends high school but the release of the books took around ten years (the first one was published in 2000, the last in early 2009). Despite the use of ComicBookTime, the books use heavy pop culture references and specific dates so it's pretty clear what year the book is set.
* ComingOfAgeStory
* ConsummateLiar: Mia. Although other characters eventually work out she has the tell of her nostrils flaring when she lies. [[spoiler: JP counts too.]]
* DeadpanSnarker: Lilly Moscovitz. Mia herself sometimes.
* DeliberateValuesDissonance:
** Grandmere to almost everyone else.
** Discussed when Mia's mother talks about JaneEyre, namely of Mr. Rochester's wife being a MadWomanInTheAttic. Helen points out that confinement in an attic was more humane than most insane asylums at the time.
* DerailingLoveInterests: JP in the last book.
* {{Diary}}: A {{fiction}}al example.
* DisproportionateRetribution: [[spoiler: Lilly]] creates a hate site all about Mia due to being a WomanScorned [[spoiler: over JP]] instead of just telling her. [[spoiler: Lilly]] [[MyGodWhatHaveIDone is ashamed of it]] in Book Ten, even asking, "How do you forgive something like that?"
* DorkHorseCandidate: Mia, and later, Lilly.
* DownerBeginning: ''Princess Mia'' and ''Royal Wedding'' have these. [[spoiler: Mia's suffering a TraumaCongaLine in the former, and in the latter her stepfather is dead and her ''biological'' father has been arrested for driving a race-car down the New York streets.]]
* EveryoneLovesBlondes: Mia, and later Boris and Lilly have their hair dyed blond when they undergo their [[TheMakeover makeovers]].
** Also, [[LovableAlphaBitch Lana Weinberger]] and [[JerkJock Josh Richter]] both have blond hair. As does JP.
* EverythingsBetterWithPrincesses: {{Subverted}}, more often than not Mia thinks her life would be much better if she wasn't a princess.
-->'''Mia:''' (In her diary) Being royal loses a lot of its glamor once it actually happens to you.
* EvilMatriarch: Grandmere. Is also a CoolOldLady at times, as well as a MagnificentBitch.
* ExtremeDoormat: ''MIA''- the reason she lies all the time is to avoid hurting others by telling them her true feelings. This causes major problems for her.
* [[FirstGirlWins First Boy Wins]]: [[spoiler:Out of all her potential love interests throughout the series, Michael was not only the first one she met, but the first one she had a crush on.]]
* FiveTokenBand: Mia's companions include the Jewish Moscovitzs, Black Shameeka, Arabian Tina, Asian Ling Su, and the implied Lesbian couple Ling Su and Perin.
* GameOfNerds: viz., Michael's game.
* {{Geek}}s, {{Nerd}}s
* GeniusDitz: Tina.
* GenreSavvy: Tina again. She ThinksLikeARomanceNovel and thus knows people's intentions within a romance novel setting.
* GermansLoveDavidHasselhoff: In universe. ''Lilly Tells It Like It Is'' wound up being very popular in Korea.
* GlamorousSingleMother: Subverted with Helen. On one hand she's a gorgeous, successful artist with a nice artist loft in Manhattan with an active social life. On the other hand she can only afford her home and Mia's school because Philippe pays for it all and Mia's childhood was full of moments of her mom messing up, like their power being cut off.
* GrandeDame: Mia's grandmother.
* GranolaGirl: Mia is a vegetarian and often gives donations to Greenpeace.
* GrayEyes: Mia
* GreenEyedMonster: Lilly sometimes has this about Mia, since Mia is a princess, gets the part of Rosagunde in ''Party Princess'' and has a few guys like JP chasing after her. GenreSavvy Tina picks up on this and tells Mia.
* [[SheIsNotMyGirlfriend He Is Not My Boyfriend]]:
** JP. Mia doesn't want to date him because she just broke up with her long-time boyfriend. An article in the ''New York Post'' saying they should get together because they're both "so tall and blond" doesn't exactly help. Also, everyone thinks he's the perfect "rebound" guy for her.
** And a year and a half when she dating him [[spoiler:[[OldFlame Michael]] comes back from Japan. Mia still has feelings for him. Tina can tell, and constantly pesters her about it.]]
* GracefulLoser: Lana after losing the presidential election to Mia. The worst thing she does is try to BlackMail Mia about messing up the school budget in exchange for invitations to a celebrity charity, and mock her ImportantHaircut of ''Princess on the Brink'' by calling her PeterPan. She then TookALevelInKindness following Mia's [[spoiler: break-up with Michael]] and acceptance of an invitation to speak at Domina Rei. In fact, Lana recommended Mia as a speaker because of the latter's presidential speech.
* HerCodeNameWasMarySue:
** At some point Mia tries to write stage plays based on her diary entries. They come out as honest and hilarious as you may expect.
** JP's play is this in full, where he portrays himself as an OnlySaneMan that ends up becoming a prince and Mia as a "kook" and DamselInDistress. Mia is not amused, though she doesn't confront him about it until the end.
* HeroicBSOD: Mia spends Book 9 trying to pull herself out of [[spoiler:clinical depression]].
* HiddenBackupPrince
* HideYourLesbians: Perin and Ling Su.
** Though Ling Su is mentioned to have a boyfriend in the first couple of books - it turns out in ''Volume X'' that any dates with boys either of them had was to [[TheBeard pretend to be straight]].
* IJustWantToBeNormal: For most of the series Mia wants to just go back to her old life. In ''Royal Wedding'' she admits at the beginning that if there had been more Internet and social media then she would've found out long before entering high school.
* InformedAbility: Tina is apparently smart enough to become a surgeon (and later a gynecologist). we don't see much evidence of this but it's not impossible given her personality that she's a BunnyEarsLawyer.
* InsecureLoveInterest: ''Both'' Michael and Mia suffer from this. Michael feels he needs to prove himself worthy of dating a princess, and Mia considers herself not intelligent enough to date a genius.
* InsistentTerminology:
** ''Braid!'' isn't a play, it's a musical.
** Applebee's doesn't have Bloomin' Onions, that's Outback.
* InsufferableGenius: Lilly.
* ItsAllAboutMe: While generally kind-hearted, Mia sometimes falls in to this. A notable example was in ''Princess on the Brink'', where she had a BSOD for half the book because her boyfriend was leaving for a year to build a robot that could save thousands, if not millions, of people's lives and lessen suffering around the world. Multiple characters call her out on her attitude.
* IvyLeagueForEveryone: Somewhat justified, as the series takes place at an upper class private school in New York.
** And even then most don't get their first choice college and as Lana points out she (and perhaps some other students) have parents who are legacies.
** In the election debate in book 6, Lana promises to get everyone into Ivy League schools if they elect her. Part of Mia's reaction and response is pointing out that nobody is guaranteed entrance to an Ivy League school, even if they had parents who went there.
** Mia herself manages to be accepted to every Ivy League school. However, it is very obvious that she was only accepted because she is a Princess and a celebrity. This greatly disappoints Mia and she ends up not going to any of them as a result, preferring to go to Sarah Lawrence.
* JerkJock: Josh Richter.
* JerkWithAHeartOfGold: Lilly and Grandmere. Michael at times, especially in the early books.
* LonersAreFreaks: Mia sometimes thinks this, but the series plays with the trope.
** Tina was a loner in high school due to her bodyguard and OverprotectiveDad. When Mia sits with her, however, she finds out that Tina is SpoiledSweet and thinks highly of everyone.
** Played straight, then subverted in Book 7 with The Guy Who Hates It When They Put Corn In The Chili (aka JP Reynolds-Abernathy IV)
*** ( [[spoiler: But in the end played straight, since JP turns out to be a ManipulativeBastard in Book 10.]]
* LoveTriangle: Many, the main ones being Michael/Mia/JP, Mia/JP/Lilly, Lilly/Boris/Tina. Some more minor ones are Michael/Mia/Kenny, Mia/Michael/Judith, Boris/Lilly/Hank, Boris/Lilly/Jangbu, Mia/Josh/Lana.
** LoveDodecahedron, as of Book 6 or so on.
* TheMakeover: Subverted in that Mia thinks her makeover makes her look worse, and after a while she goes back to looking like she normally does ("like a blonde Q-tip") and her looks aren't brought up very often after that. Played straight later on when [[spoiler: Lana starts giving her fashion tips.]]
* MicroMonarchy: Genovia.
* MrMuffykins: Grandmere's poodle Rommel is a mix of type one and two of this trope.
* MyGodWhatHaveIDone:
** How Mia feels at the end of "Princess on the Brink," and after [[spoiler: kissing Michael]] in Book Ten.
** [[spoiler: Lilly]] has been feeling like this since the end of Book Nine and through Book Ten.
* NerdsAreSexy
* NiceGirl: Mia is this most of the time. Also Tina.
* NoodleIncident: "I will apologize to the Genovian olive growers about that thing with the pits."
* TheNoseKnows: Mia frequently comments that she loves the smell of Michael's neck. In the last book, she realizes that there's a scientific explanation for it during her psychology exam.
* NotSoDifferent:
** [[spoiler: Lana]] TookALevelInKindness after [[spoiler: Mia and Michael break up]], because she knows exactly what Mia is going through. They actually bond over it.
** Mia realizes that [[spoiler: Lana]] and Lilly can both make mean remarks; the difference is that Lilly hides it behind her InsufferableGenius personality.
* NumberedSequels - The UK versions of series have fun with this; the sequels are called ''The Princess Diaries: Take Two'', ''The Princess Diaries: Third Time Lucky'', ''The Princess Diaries: Mia Goes Fourth'', ''The Princess Diaries: Give Me Five'', ''The Princess Diaries: Sixsational'', ''The Princess Diaries: Seventh Heaven'', ''The Princess Diaries: After Eight'', ''The Princess Diaries: To the Nines'' and ''The Princess Diaries: Ten Out of Ten''.
* ObliviousToLove: Mia. If you want to let her know about your romantic intentions, do not be subtle about it. Just straight up tell her or she will never realize it. Before they got together she thought Michael tutored her in algebra (''daily'') because she was Lilly's friend, that he asked about what she did on the weekend so they could do more algebra, that his song about her was just 'some guy' who liked 'a girl' and wandered about shirtless by accident. [[{{UpToEleven}} Yeah...]]
* OffscreenMomentOfAwesome: We only hear about it secondhand, but Michael [[spoiler: pulled off an epic WhatTheHellHero speech on Lilly when he found out about the hate site she created about Mia and told Lilly to be nice to the latter. It worked, given that Lilly is TheAtoner in Book Ten]]
* OnlyKnownByTheirNickname: The Guy Who Hates It When They Put Corn In The Chili. It's revealed late in the series that his name is JP.
* OppositesAttract: Mia considers herself and Michael this, as opposed to her BirdsOfAFeather relationship with JP, even finding a scientific explanation (see TheNoseKnows above). In actuality, she and Michael have a lot in common, [[UnreliableNarrator she just has a hard time seeing it that way]].
* OrdinaryHighSchoolStudent
* ParentsAsPeople: While they are GoodParents Mia's mother is a flighty artist and her father is a [[TheCasanova casanova]] prince, so they fall under this trope as well.
* PerverseSexualLust: More than once Mia's friends tease her about her weird love for two-dimensional guys, including "ComicBook/{{Hellboy}}, Disney/{{Tarzan}}, [[Disney/BeautyAndTheBeast the Beast]], [[WesternAnimation/{{Daria}} Tom Sloane]], [[Disney/{{Mulan}} and that hot soldier guy]]".
* PinocchioNose: Mia's nostrils flare when she lies. She starts practicing with Grandmere to correct this.
* PoliticallyActivePrincess: Mia.
** Also GenderInverted with Mia's dad, as it's actually wondered by one of the other characters why [[spoiler:Phillipe bothers to run in the Genovian election]], and Mia specifically responds with something similar to this trope.
* PreppyName: Justified as most of the characters are either royalty or are wealthy and actually go to prep school. John Paul Reynolds-Abernathy IV is probably the most egregious example.
** Mia herself qualifies; her full name (and title) is Amelia Mignonette Grimaldi Thermopolis Renaldo, Her Royal Highness the Princess of Genovia.
* PunnyName: Mia's shrink, Dr. Knutz, which is lampshaded by Mia.
* QuirkyCurls: Mia started out with them but her make-over flat-ironed them away.
* RaceForYourLove: Subverted. [[spoiler:Mia races to the airport to meet Michael before his plane leaves for Japan. She's too late - his flight has left.]]
* RealWomenNeverWearDresses: In-universe: Mia spends a couple of pages wangsting about how her grandmother [[FelonyMisdemeanor took her to an expensive hairdresser]]. Same goes for painted nails. To be fair, part of her complaints are that they make her look like [[AlphaBitch Lana]].
** In the last book when Mia's trying to publish the romance novel she wrote many people -- namely JP and Grandmere-- fuss over the fact it's a ''romance'' novel. Never mind that it's 400 pages long, she did tons of research on medieval times, she spent two years working on it, and it's actually one of the hardest genres to write well.
* ReallyGetsAround: Mia's father to the point were it's kind of surprising she's his only kid.
** [[spoiler: Actually, she isn't. There will be a sequel series about Mia's half-sister called Literature/FromTheNotebooksOfAMiddleSchoolPrincess]]
* RebelliousPrincess: Mia
* RichBitch: Lana and Trisha. [[spoiler:They both get better.]]
* RidiculouslyCuteCritter: [[FatCat Fat Louie]].
* RousingSpeech: Mia gives two. One when she's running against Lana for the post of StudentCouncilPresident, and another when she gets invited to speak at a Domina Rei function.
* RoyalsWhoActuallyDoSomething: Subverted. Mia's dad is an active leader and later even runs for Prime Minister in order to continue leading even after Mia reveals the constitution, Grandmere is pretty content to just be a RichBitch. Mia, for her part, wants to be somewhere in the middle, a princess but able to pursue her own ambitions separate from Genovia.
* SheIsAllGrownUp: Boris, who actually manages to turn hot later in the series.
** Mia becomes this trope over the course of the series, which is {{Lampshaded}} by other characters in Book 10.
* ShipperOnDeck: Tina tends to ship her friends, especially Mia. Mia's mom and Mr G also seem to ship Mia/Michael. Grandmere however ships Mia/JP. Mia herself ships Boris/Tina in later books though its mostly to protect Boris from Lilly after she cheated on him.
** In Book 9, Lana ships JP with Mia, believing that he can be her rebound guy. Later Lana, Trisha and Tina start to ship Mia/Michael when the latter reappears.
* ShoutOut: Several, including ''Series/{{Firefly}}'', ''Series/BuffyTheVampireSlayer'', ''Series/{{Degrassi}}'', ''StarWars'', ''TheLordOfTheRings'', and ''Franchise/SailorMoon''.
* SilkHidingSteel: Mia's ancestors have a tradition of this, starting with the first Genovian princess Rosagunde that strangled an invading king after he forced her to marry him and drink wine from her father's skull.
* SingleGirlSeeksMostPopularGuy: Only in the first book.
** SingleWomanSeeksGoodMan: For the rest of the series.
* SoapboxSadie: Lilly. Mia occasionally gets into this territory as well.
* StrawFeminist: LILLY, to the point where she writes an "essay" about [[TallPoppySyndrome famous women she is jealous of]] and why they should all go away to a desert island for being beautiful. Creator/KeiraKnightley and [[Creator/HalleBerry Halle Berry]] are some of the actresses on this list.
* SuperOCD: Mia obsesses about many, many things. PlayedForLaughs and Deconstructed. Her over the top obsessing over things can be funny but causes her a lot of stress that takes its toll on her mental health.
** Lilly even calls Mia a "baby-licker" for fussing about Rocky's health (Rocky being Mia's younger half-brother), and Mia's mom starts nicknaming her that.
* SympatheticPOV: Some of Mia's actions look a lot less sympathetic once you hear Lana and Lilly's side of the story.
** Also we the reader are supposed to view some of Mia's actions and thoughts as ridiculous, like if she and her friends believe they are behaving like intellectuals but are actually behaving like silly teenage girls (for example, Mia and Tina's inability to understand Ms. Martinez liking ''PrideAndPrejudice'' for reasons other than "how hot Creator/ColinFirth looked"). However, since Mia is the one writing it, she doesn't understand how silly this comes across as. In fact this is one of the main sources of humor in the series.
* Meg Cabot has long gotten flak for putting pop culture references into her books. In ''Princess In Training'', Mia struggled with an English teacher who disparaged her for the same thing, resulting in the novel's CMOA in which Mia [[CallingTheOldManOut calls her on her overly-rigid view]] of what constitutes "culture."
* TheBGrade: played straight and averted. In book 6 Mia is horrified to get a B in English, her best subject. The B was mainly due to the fact her new English teacher didn't like the essay subject. On the other hand Mia is thrilled to get a B- in algebra.
* TheSnarkKnight: Lilly, so, so much.
* TalentedPrincessRegularGuy: Inverted with Mia and Michael. Mia's relationships with JP and Kenny could also count, since they are both incredibly smart and talented as well.
* TheAtoner: Lilly becomes this in Book 10, after she [[spoiler: created that nasty hate site about Mia and Michael found out about it.]] Mia takes a while to figure it out, though.
* TheTalk
* TheirFirstTime: [[spoiler:In the later books, Mia and Michael plan for this, but it is called off by Mia when it turns out it ISN'T [[AManIsNotAVirgin his]] first time.]]
* ThereAreNoTherapists: Averted in books nine and Ten. Also, Lilly and Michael's parents question Mia when she goes over to their apartment and Lilly tries to imitate them.
* ThinksLikeARomanceNovel: Tina does this, making her GenreSavvy in a romantic comedy series. Mia sometimes lapses into this.
* ThisIsReality: In Book 10, Mia tries this mindset by saying "Life is not a romance novel" after [[spoiler: Michael walks out of her birthday party on seeing JP invite Mia to prom with a "promise ring."]]. The book itself subverts this, however.
* TookALevelInJerkass: Lilly wasn't nice before, but she goes WAY overboard [[spoiler: during books eight and nine after JP breaks up with her.]] Thankfully this reverts [[spoiler: during book ten]].
* TookALevelInKindness:
** After years of being an AlphaBitch and a bully to Mia, Lana offers friendship following Mia's TraumaCongaLine in Book Ten, since Mia accepted an offer to speak at Domina Rei. Following a shopping spree at Bendel's, Mia realizes that Lana is NotSoDifferent from Lilly.
* {{Transsexual}}: Ronnie, Mia's neighbor.
* TwoDecadesBehind: Tons of references to [[PrettyInPink classic]] [[SayAnything 80's]] [[DirtyDancing teen]] movies and TV shows like Series/PartyOfFive and ''Series/{{Charmed}}''..
* TwiceShy: A thousand times Mia and Michael. It's implied Michael's had feelings for Mia long before the beginning of the series, and Mia realizes she has a crush on him during the first book. Even though EveryoneCanSeeIt and they hang out every day, they take three books to admit they love each other, even dating other people in the middle. To finally clear things up they resort to sending anonymous love letters and replying via a computer program.
* UnreliableNarrator: While Mia doesn't mean to lie in her diary, she often has memory lapses or a [[NaiveEverygirl rose-tinted]]/[[ComicalOverreacting melodramatic]] reaction to what is going on around her and completely misinterprets people's motives.
* VisualPun: In ''Princess In the Spotlight'', Lilly wears a black slip and a beard for her Halloween costume. She's a FreudianSlip.
* WhatDoesSheSeeInHim/[[WhatDoesSheSeeInHim What Does He See In Her?]]: This trope goes both ways in the relationship between Mia and Michael. And Mia keeps asking herself this, which creates a lot of Wangst.
* WideEyedIdealist: Tina, whenever romance is involved. [[spoiler:Subverted a bit when Tina reveals to Mia that she's been sleeping with Boris regularly for about a year or so, but she still has an overly idealistic attitude about love.]]
** Mia can also be like this when romance is involved, as pointed out by her parents.
* WillTheyOrWontThey: Michael and Mia in the first three books, and then again in the last one. [[spoiler: They do. Twice.]]
* WithFriendsLikeThese: Lilly is a ''horrible'' friend, but for much of the series she's one of the few friends that Mia has.
* WritersCannotDoMath: Mia herself, to the point where you start to wonder if she has dyscalculia or a similar disorder related to numbers.
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!!Tropes for ''Royal Wedding'' include:
* AbusiveParents: [[spoiler: Olivia]] is NOT HappilyAdopted with her aunt and uncle; her aunt is an ExtremeDoormat who cares more about stains on the carpet, and her uncle is a construction mogul that uses the child support payments to fund his projects.
* AgeLift: Set five years after ''Forever Princess''; Mia celebrates her twenty-sixth birthday and notes it's been twelve years since she learned she was a princess.
* AlphaBitch: Annabelle Jenkins is this to Olivia in middle school, with her dad threatening to sue the school if they lay a hand on her daughter.
* AmoralAttorney: Annabelle Jenkins's father. His daughter is an AlphaBitch.*
* AngstWhatAngst: Olivia is remarkably emotionally stable for a child who's been treated the way she has. She also handles the abrupt changes in her life, including having to move across the world, with little-to-no trepidation.
* BabiesEverAfter:
** Lana has a sweet baby girl that she's entering into an infant pageant.
** [[spoiler: Mia and Michael have twins]] via SurprisePregnancy.
* BelligerentSexualTension: Helen and Philippe had this when they conceived Mia, and it comes back a year after [[spoiler: Mr. Giannini dies.]]
* BigNo: Much like her older sister, [[spoiler: Olivia]] delivers this when she hears that she has to go back with her AbusiveParents for a short time until Phillipe and Mia sort out the custody issues.
* BigBrotherInstinct:
** Downplayed between Mia and Rocky, since Rocky is now nine years old and a bit of an AnnoyingYoungerSibling for Mia, who doesn't live at home anymore, but she obviously still loves him. It helps that he's no longer a newborn in need of protecting.
** Played straight between [[spoiler: Mia and Olivia]], given the battle over custody is due to Mia realizing that the latter lives with AbusiveParents who want to move her to Qalif, a country that is infamous for oppressing women, and using the custody money to fund a construction empire.
* CallingTheOldManOut:
** Mia is REALLY furious with her dad in this book; both for the racecar and [[spoiler: not telling anyone that she has a half-sister]].
** [[spoiler: Olivia]] gives an epic one to her AbusiveParents when she comes home with a bloody nose and her aunt cares more about the coffee that spills on the carpet when Mia and Philippe rush to [[spoiler: Olivia's]] aid.
* CharacterOverlap:
** The country of [[Literature/TheHeatherWellsMysteries Qalif]] and its abusive policies towards women are mentioned.
** Given [[Literature/BoyMeetsGirl Amy Jenkins]] has wanted to name her daughter Annabelle, her husband Stuart Hertzog makes a cameo.
* CheerfulChild:
** Rocky, despite or because of [[spoiler: his father's death]], becomes obsessed with dinosaurs and farts.
** [[spoiler: Olivia]] is this as well, despite getting bullied and living with AbusiveParents.
* ChekhovsSkill: Tina's ability to [[ThinksLikeARomanceNovel think like a romance novel]] helps Michael plan the perfect proposal to Mia. That and also asking Mia how she wants a proposal.
* DidNotThinkThisThrough: Mia going to get [[spoiler: Olivia and tell her she's a princess, without the pressure of being in front of the cameras all the time.]] A celebrity princess that is recognized everywhere and goes to pick up a girl from middle school?
* DownerBeginning: [[spoiler: Mr. Gianini is dead and]] Mia's father has been arrested for driving a race-car down the New York streets.
* DroppedABridgeOnHim: Poor [[spoiler: Mr. Gianini]] . . .
* {{Expy}}: As a "birthday present," JP sends Mia a dystopian novel featuring a love triangle between a blonde and a brunette. [[Literature/TheHungerGames Sound familiar?]]
** J.P. has a history of putting people he knows into his books/screenplays/plays and giving them similar names. The heroine, "Amalia", is torn between blond, creative "Jared" (John Paul) and brunet, analytical "Mick" (Michael). In the manuscript, as in his fantasy life, "Amalia" prefers "Jared."
* FictionFiveHundred: Mia has now joined this legion as an adult and princess of Genovia; she can write a check for $30,000 without blinking an eye. Michael is the same, what with his company Pavlov Surgical becoming highly profitable. The wealth can't buy her privacy, however, or complete safety from her stalkers.
* ForgivenButNotForgotten:
** Even though Mia and Lilly are friends again, Tina has become Mia's number one best friend with whom she talks ever day.
** Mia's mom acts hostile towards Lana, remembering how the latter was an AlphaBitch to Mia.
** Mia holds no hatred towards her ex [[spoiler: JP ]] and thus is able to grit her teeth when he sends her a birthday wish over I nstagram. It's also why she is confused when [[spoiler: he turns out to be Rabble Rouser]]
* GoodCannotComprehendEvil: Discussed in this book; Mia mentions how good people can easily get taken advantage of, and she is very hurt and confused when it turns out her stalker is [[spoiler: her ex-boyfriend JP]].
* HollywoodMidlifeCrisis: Mia's dad suffers one throughout the book.
* {{Jerkass}}:
** Count Ivar, Phillipe's rival in the polls. He uses the Genovians' xenophobia about refugees from Qalif to earn points, all the while [[spoiler: making a special deal with cruise lines so that they can bring their points in]]. Mia nearly tells him off at a party and Grandmere has to stop her.
** Uncle Rick for [[spoiler: Olivia]], who ''laughs'' when she talks about how his lawyer's daughter punched her at school and said lawyer threatened to sue the school and the Genovian Guards if they laid a finger on his daughter.
* KarmaHoudini:
** Annabelle Jenkins suffers no comeuppance for [[spoiler: giving Olivia a bloody nose]], even with the Genovian Royal Guard watching her.
** The same goes for most of the hate groups that target Mia and Michael, sending angry emails.
* KnowWhenToFoldEm:
** [[spoiler: Olivia's aunt and uncle relinquish custody]] after [[spoiler: Olivia]] comes home with a bloody nose and the Genovian lawyers threaten to sue the uncle for [[spoiler: misusing Olivia's child support]].
** [[spoiler: Count Ivar drops out of the election]] when it turns out he has a conflict of interest regarding the cruise ships.
* LooseLips:
** Because Michael went to ask for Mia's hand from her dad, Mia's dad let loose about the proposal to Grandmere, who leaks it to the press.
** Annabelle Jenkins spills the beans about [[spoiler: Olivia's royal status]] because her dad found out.
* LukeIAmYourFather:
** [[spoiler: Grandmere]] delivers the inversion to Mia: [[spoiler: You have a sister.]]
** Mia delivers the same news to [[spoiler: Olivia, her half-sister.]]
* MidlifeCrisisCar: Mia's dad buys a racecar and drives it in New York traffic. He has to post bail.
* MistakenForCheating: As it turns out, [[spoiler: Boris]]. It's amazing what a jealous fangirl with [[spoiler: Photoshop]] can do.
* NoExceptYes: When [[spoiler: Olivia]] comes home with a bloody nose and says she wants to live with Mia and Phillipe, her aunt says, "That's not what you want . . . to grow up to be some snobby, rich princess?"
--> [[spoiler: '''Olivia''']]: No! Of course not! [[CallingTheOldManOut I don't want to live with you]] because all you cared about when I walked in was [[SkewedPriorities getting the stain out of your stupid carpet.]] [[CrowningMomentOfAwesome ''They'' cared about what happened to me. That's why I want to go live with them.]]
* NoHoldsBarredBeatdown: Michael delivers one to JP when he catches the latter selling tickets to their wedding. He's mentioned wanting to do one in the original series.
* PapaWolf:
** Phillipe gets ''angry'' when [[spoiler: Olivia]] comes home with a bloody nose, and when he learns how the money he sent wasn't being used to take care of her. He delivers a brief TheReasonYouSuck speech to [[spoiler: Olivia's aunt about how Olivia's mother]] wanted her daughter to be loved, and it's certainly not the case.
** He also acts as ReasonableAuthorityFigure about his stepson Rocky talking about farts and volcanoes
* PetTheDog: Because Grandmere and [[spoiler: her other granddaughter Olivia]] bond over poodles, Grandmere gives the latter her new poodle as a gift. All the more HeartWarming since Grandmere wanted to keep the latter a secret and under wraps before, for pragmatic reasons.
* PutOnABus:
** At the end of the book, The Royal Genovian Guard persaudes [[spoiler: JP]] to work on a Russian icebreaker.
** Inverted when Mia takes [[spoiler: Olivia]] away from New Jersey, to first live in New York and then in Genovia.
** Mia and Michael when they marry have to move to Genovia.
* RememberTheNewGuy: At least Prince Rene was introduced before he ran against Mia's dad, but the readers have never heard of Count Ivar.
* SnobsVersusSlobs:
** As it turns out, because Genovians are a relatively wealthy population, they look down on the refugees coming from Qalif that may potentially carry TB.
** [[spoiler: Olivia's]] aunt accuses Mia of being a "snobby, rich princess," which Mia takes offense to, and it's an unreasonable accusation given Mia's interest in community service.
* TheUnfairSex: Happens in-universe, with Mia acknowledging it. When Tina finds nude photos of Boris with a fangirl, Boris claims that the girl edited them and that he would never cheat on Tina. Michael, who is Boris's friend, advises Mia to listen to both sides of the story, while Mia tells Tina to keep away from Boris. [[spoiler: As it turns out, the photos ''were'' edited; apparently Boris and Tina made nude photos together and the girl got ahold of them.]]
* TookALevelInJerkass: JP! Not only does he try to sell tickets to Mia's wedding, but it turns out [[spoiler: he was stalking Mia as Royal Rabble Rouser]] while asking her to read his dystopian novel.