Kanye West's representative has shot down reports suggesting the rapper was behind a prank regarding photos of a naked porn star posted online on Wednesday.

Reports suggested West had uploaded the photo of the curvy, dark-haired beauty on his Twitter.com account and then removed it minutes later.

The stunner, who was shot seated and from behind, made many followers think the rapper had posted a naked shot of his girlfriend Kim Kardashian online when the story was leaked to news website TMZ.com.

It was quickly revealed that porn star Amia Miley, who once played Kourtney Kardashian in a porn parody, was the girl in the photo - and now West's aides have spoken out to dismiss claims the whole thing was a prank set up by the rap star.

A spokesman says, "In regards to this 'story' that Kanye posted and then took down intimate pictures on his Twitter account: TOTALLY FALSE. Laughably so. This phantom tweet never occurred on his account.

"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, has never seen this picture, and hasn't been on his Twitter account for a day." (KL/US/MT)