Is that Kim? No - it's Amia Miley!

A photo tweet many thought was Kim Kardashian was reportedly posted by Kanye West, Kim's new boyfriend and showed a woman from the back in the nude chowing down on a meal on the side of the bed.

Is that woman Kim Kardashian?

No.

The woman with the round bottom is adult film actress Amia Miley and she came "forward and identified herself as the person in the snap, which no one can be sure West tweeted in the first place," reveals the LA Times.

The paper notes that Kanye was not happy, reporting that West's team quickly debunked the tweet, saying Kanye hadn't been near his account in 24 hours.

"This phantom tweet never occurred on his account," a rep for West told several outlets.

"This is obviously the desperate, sad act of someone seeking to gain media exposure by exploiting Kanye's notoriety. Kanye doesn't even know this person," the rep added.

TMZ does a bit of investigation and reports:

"Miley tweeted the same photo of herself on her twitter account in 2011, and she tells us it's her. She also says she's never hooked up with Kanye.

Second, although the pic has been sent around with credit to Kanye, we've learned it was never posted on Kanye's account. A source close to Kanye confirms ... he didn't do it.

We're told it's all part of #WanksterWednesday -- a prank day where people try to get bogus rumors started."