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Nicole Scherzinger

David Becker/Getty Images

If Nicole Scherzinger isn't careful she could find herself inadvertently headlining the XXX Factor.

The Pussycat Dolls superstar has dared to bare almost all in a new coffee table book about women's backsides....

Scherzinger is one of the many celebs who stripped down for artist Raphael Mazzucco's Culo By Mazzucco, a 248-page ode to women's backsides edited by Sean "Diddy" Combs and Interscope and A&M Chairman Jimmy Iovine.

Culo, if you don't know, means buttocks in Italian.

Nicole Scherzinger, Culo book

Raphael Mazzucco/CULO by Mazzucco

Scherzinger appears in a sepia print photo with her back to the camera. Her tush, legs and back are decorated with henna tattoos.

Two leis are wrapped around her neck, an obvious homage to her native Hawaii.

A few pages in, Lady Gaga flashes us in all her black and white glory. She wears a simple bra while pulling down her thong for some full moon exposure.

Mazzucco captures Black Eyed Peas frontwoman Fergie leaning against a wall with her arms and legs spread. Rounding out the portrait are different shades of gold, orange and green paint along with images of butterflies.

Much to our surprise, Sarah McLachlan also makes an appearance. The "I Will Remember You" singer looks into the camera while laying nude on a plush bed with a guitar by her side.

As we were the first to show you, George Clooney's girlfriend Stacy Keibler stripped for Mazzucco during a summer photo shoot in Los Angeles.