Twitter outrage over plastic surgery iTunes app

The app has caused outrage on Twitter.

An iTunes game that asks users to perform plastic surgery on a character that "has so much extra weight no diet can help her" in a bid to "make her slim and beautiful", has caused outrage on Twitter.

The app, which is marketed to girls aged nine and above, is available on iTunes and is available to download for both the iPhone and iPad.

The game is entitled "Plastic Surgery & Plastic Doctor & Plastic Hospital Office for Barbie Version" has been criticised by Twitter account @EverydaySexism, which documents peoples' experiences of sexism and harrassment.

The game challenges the user to help the character to lose weight through liposuction and the app's description reads:

Twitter users have called the game "gross" and "disgusting" with some people writing:

Apple were unavailable to comment.