''I Was a Teenage Fairy'' is a young-adult novel written by Francisca Lia Block. The protagonist, Barbie, is a dissatisfied daughter of a StageMom who pushes her into modeling as a child. Her only real ally is a tiny fairy who offers her advice and companionship.
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!!''I Was a Teenage Fairy'' provides examples of the following trope:

* ACupAngst: Barbie is frequently criticized for having small breasts. This makes sense, however, since she is a very slender model and large breasts would be unnatural on her frame.
* BetterThanSex: Griffin's night flight with Mab, according to him.
* BuffySpeak: Barbie and Mab's private code. A "biscuit" is an attractive man; a "crocodile" is someone they hate.
* TheCasanova: Todd.
* ChekhovsGun: The camera Todd gives to Barbie on their first night together is later used to [[spoiler: photograph Waverly groping a little boy, providing evidence that brings him to trial.]]
* DepravedBisexual: [[spoiler: Hamilton Waverly sexually abuses both Barbie and Griffin]].
* DisappearedDad: Barbie's father.
* DoNotCallMePaul: Barbie's mother changes their name, Markowitz, to "Marks", which deeply offends Barbie's father and contributes to the reasons for her parents' divorce.
* DontDoAnythingIWouldntDo: Subverted.
-->'''Mab:''' ''(as Barbie prepares for a party)'' Do ''everything'' I would do.
* EmbarrassingTattoo: Todd's body is covered with the names of girls he has been in relationships with before. At the end of the novel, [[spoiler: he commits to Barbie but the tattoos are still there]].
* FairyCompanion
* FairySexy
* {{Gayngst}}: Griffin believes Waverly's abuse is his own fault for being gay.
* HippieParents: Todd ascibes his "freewheeling" nature to them.
* IWasQuiteALooker: Barbie's mother "won Miss San Fernando Valley in 19... let's just say I was a winner!".
* IncompatibleOrientation: Griffin loves [[spoiler: Todd]] who is heterosexual.
* InterruptedSuicide: [[spoiler: Griffin, either by Mab's magical web or by Todd and Barbie.]]
* LadykillerInLove: Todd becomes one when he meets Barbie.
* LovesMyAlterEgo: A variation with Barbie and Griffin; even though she's in love with Todd and vice versa, her possible {{Imaginary Friend}} loves Griffin, and they bcome a {{Beta Couple}} to Todd and Barbie for a while until [[spoiler: after Griffin's attempted suicide, when Mab decides to find him a human lover instead]].
* MaybeMagicMaybeMundane: It's left deliberately vague whether Mab exists, or whether she's a manifestation of Barbie's (and Griffin's) anger, courage and hope.
* MeaningfulName: Barbie's name represents her entrapment within the life of a model.
* MrFanservice: Todd in-universe, since he's a famous actor.
* [[spoiler:PenName: At the end of the book, Barbie publishes her photographs of Mab under the name Selena Moon.]]
* PrettyFlyForAWhiteGuy: Ashley, Todd's (mostly) ex-girlfriend, threatening Barbie to "watch it, Miss Thang".
* ReplacementLoveInterest: Blatantly lampshaded in that way only great fairy tales can get away with. [[spoiler: Mab actually scouts Los Angeles' gay neighborhood for a man to replace Todd in Griffin's affections, and finds one who is not only handsome, but creative, romantic, able to see fairies due to {{Rape As Backstory}}, and HIV-negative. He's also part Asian.]]
* ShiksaGoddess: Barbie's Gentile mother to her Jewish father, though the "goddess" aspect has worn off considerably over the years.
* ShipperOnDeck: Mab for Todd/Barbie and [[spoiler: Griffin/Damian]].
* ShoutOut: To the ClapYourHandsIfYouBelieve moment in ''Literature/PeterPan''.
* TheSnarkKnight: Mab
* StageMom: Barbie's mother names her after a plastic doll in hopes that Barbie will become a beautiful model (and not much else).
* ThereAreNoTherapists: Barbie's self-harm (dragging her knuckles against a wall to make them bleed), reckless behavior (hitchhiking with men after dark) and occasional argument with Mab in someone else's hearing go unnoticed.\\\
[[spoiler:Subverted in the end, when prompted by Barbie's book of fairy photographs, Mrs. Marks goes to see a therapist herself. She turns out to have been deliberately ignoring Barbie's problems in order to suppress her memories of her stepfather's abuse. The therapist may or may not be a grown-up version of Mab.]]
* VitriolicBestBuds: Barbie and Mab, mostly due to Mab's tendency to bluntly and sarcastically state the things that Barbie is afraid to acknowledge.
* ZenSurvivor: Barbie
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