Ah, the selfie. The most narcissistic thing on social media -- and the not-so-secret guilty pleasure of many. Celebrities, especially.

For the uninitiated (or Amish) among you, a selfie involves taking a photograph for oneself, not necessarily but most likely to get public adulation. The shots generally feature pouty duck lips, a state of partial undress or even complete nudity. (Bonus points if it's a mirror-pic with some lens flare.)

Check out our collection of naughty celebrity selfies below.

Lindsay Lohan Selfie
Twitter
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Russell Brand
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Adrianne Curry

Adrianne Curry Selfie
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Coco Selfie
Twitter
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Heidi Klum
Twitter
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Courtney Stodden Selfie
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Amanda Bynes Selfie
Twitter
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Amanda Bynes Selfie 2
Twitter
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Chris Pratt

Chris Pratt Selfie
Twitter
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Kim Kardashian Selfie
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Kate Upton
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Demi Moore Selfie
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Sofia Vergara Selfie
WhoSay
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