But what's that old phrase about gift horses? There's somewhere you're not supposed to look at 'em. Maybe if we stare at the pic for a while longer, it'll come to us...

If you're wondering who this bottom-heavy beauty actually is, say hello to porn star Amia Miley, who in fact tweeted this pic of her naked self SKINdulging in some room service over a year ago.

Now some clowns are spreading it around the 'net claiming it's a nude pic of Kim Kardashian taken by her current beau Kanye West, but don't be fooled. This tush belongs to a professional porn star..."professional" as in more than just that one time.

Play a rousing round of com-bare and contr-ass with the Kim Kardashian Sex Tape (2007) right here at MrSkin.com!