Katy Perry, Guy, Breast Mold

Eric Ryan/Getty Images

Wanna take home Katy Perry's breasts?

Now's your chance!

A cast of her top shelf—painted and accessorized by the "I Kissed a Girl" hitmaker's boyfriend, Travis McCoy from Gym Class Heroesis up for auction.

Sale of the multicolored piece, which even incorporates one of McCoy's sneakers, benefits the Keep a Breast Foundation's youth outreach program.

But ya gotta act fast! The auction closes this Saturday.

Also on the block are decorated Vans sneakers and more than 45 images taken by photographer Erin Caruso during the Vans Warped Tour music festival, including pics of Perry, Paramore and Shwayze.