[[quoteright:290:[[Franchise/StarWars http://static.tvtropes.org/pmwiki/pub/images/fem_trooper_7953.jpg]]]]
[-[[caption-width-right:290:There are [[{{Stripperiffic}} many reasons]] [[BareYourMidriff this uniform]] [[ChainmailBikini doesn't work]], and [[SexyWhateverOutfit at least one reason]] why we aren't expected to care.]]-]

->''The history of cinema is boys photographing girls.''
-->--'''Jean-Luc Godard'''

''The limit of the WillingSuspensionOfDisbelief for a given element is directly proportional to its degree of sexiness.''

In other words, when things are sufficiently sexy, viewers will accept them, even when they are outright impossible, or just astronomically improbable.

A SisterTrope to SexSells.

Compare RuleOfFunny, RuleOfCool.

!!A SuperTrope to:
+ FanserviceCostumes
+ ImprobableAppearanceTropes
+ NudityTropes
+ PartialNudityTropes
+ RuleOfGlamorous
+ RuleOfRomantic
+ SexTropes
+ {{Unmentionables}}
%%Don't list a trope unless it explains why it's highly unlikely or outright impossible.
* BreastExpansion - In reality, breasts can't suddenly expand.
* ChainMailBikini - In reality, you should not fight in bikini-shaped armor, because it does not protect you.
* ClothingDamage - In reality, clothing does not degrade in a conveniently alluring fashion.
* CombatStilettos - In reality, you cannot run and fight in stiletto heels.
* CustomUniformOfSexy - In reality, each uniform is standard.
* DeusSexMachina - In reality, sex is not magical.
* ExposedToTheElements - In reality, clothing inappropriate to the elements can prove harmful or fatal.
* FormFittingWardrobe - In reality, a limit exists on how tight some clothing can be.
* {{Gainaxing}} - In reality, breasts do not bounce that much, ''especially'' if they're larger and '''heavier'''!
* GenderedOutfit - In reality, uniforms created for both genders consider practicality, rather than just showing as much skin as possible.
* GreenSkinnedSpaceBabe - In reality, were aliens to exist, we (most likely) could not have sex with them.
* HospitalHottie - In reality, hospital personnel dress for practicality.
* HotWind - In reality, wind does not appear just to make someone's hair and clothes move around seductively.
* ImpossibleHourglassFigure - In reality, the human figure forms only a slight hourglass.
* LatexSpaceSuit - In reality, space suits are bulky to protect the wearer. And the closest experimental suits require the wearer to pack putty or fluid-filled sacs around anything that would otherwise stick out (like breasts and groins).
* MostCommonSuperpower - In reality, were superhero(in)es to exist, they would not all have large breasts.
* NaughtyNuns - In reality, nuns are more chaste than most people.
* OrgasmicCombat - In reality, fighting does not sound like sex.
* SheFu - In reality, such techniques are highly impractical in combat.
* SpyCatsuit - In reality, people cannot wear tight zippered clothing while remaining mobile and stealthy.
* {{Stripperiffic}} - In reality, people cannot carry out jobs while wearing clothing unsuitable for the application.
* SuggestiveCollision - In reality, when people collide, their body parts will not wind up under one another's clothes.
* WaifFu - In reality, svelte women do not hit that hard.
* WorldOfBuxom - In reality, breasts come in various sizes, even small.

...but in fiction, we accept the alternative, because it's sexy.