Kanye West has caused a web frenzy after he reportedly shared a nude picture of his girlfriend Kim Kardashian with the world.

The 35-year-old rapper stunned fans after he allegedly posted a saucy snap of a woman who resembled the reality star on his Twitter page.

In the picture, a curvy mystery woman is seen facing away from the camera and posing nude while at a table.

Although the brunette's bare back is on full display and a bit of her breast is showing, her face is not visible.

Despite the rapper swiftly removing the picture, it quickly made the rounds on the internet and Kardashian soon became a trending topic on Twitter. It has since been reported that the woman in the picture might not be the socialite after all.

According to celebrity website TMZ the woman is porn star Amia Miley, who denies ever hooking up with West. She has refused to confirm if it is her in the picture.

"Im not going 2 argue about whether that pic is me or not. Want proof? Look at the back dimple piercings. kim k doesn't have though," she tweeted.

What do you think? Is this Kim?

Check out the snap below:

Kim Kardashian?
Is this Kim Kardashian or Amia Miley (Twitter)