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Stephanie Pratt has become the latest star to strip for a People For The Ethical Treatment Of Animals (PETA) campaign.

The Hills star is the face of PETA's new Be Nice To Bunnies iPhone app, intended to help people locate shops and services that do not test their products on animals, says Starpulse.

However, Pratt's naked photoshoot was apparently deemed too raunchy by Apple bosses. PETA has clothed her for the application cover, but released the uncut shoot for the print campaign.

Explaining why she chose to involve herself in the campaign, Pratt said: "Guinea pigs and rats and bunnies… [are] blinded, poisoned and burned for such a useless experiment that's not needed."

The star now joins previous PETA campaigners Eva Mendes, Khloe Kardashian, Joanna Krupa and Pamela Anderson.