So while Miley makes twerking a rage with her bottoms, let's take a look at the celebs who have flat breasts and behinds.

Keira Knightley: The star of Oscar nominated film, 'The Atonement,' Keira Knightley has a flat chest and the sexy actress has no regrets about it. Last year at Ellen Degenres show, Knightley confessed that she has a small bust but she loves them the way they are.

Mila Kunis: Ashton Kutcher's girlfriend, Mila Kunis, is sexy, hot and bewitching and still the star has loves to flaunt her boyish flat bums.She has no qualms about the fact that they are not pear shaped or curvaceous like Nicki Minaj or Kim Kardashshian's.

Kristen Stewart: Robert Pattinson's Ex Kristen Stewarts is frequently seen flaunting her bras but not many know that behind her bra there are not that heavy boobs. Yes! The Twilight actress has a flat chest and is still considered one of the sexiest women alive.

Gawyneth Paltrow: Paltrow who had recently posted a picture of her in instagram in a snake print bikini has a flat bum. She has told Self Magazine that she has a square shaped butt and her physical trainer makes her do various exercises to change the shape.

Natilie Portman: The Oscar-winning Natalie Portman may not have big breasts but she still is raved about for her sexy looks and neck plunging gowns.

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