Is it just us, or is making dudes spank their monkeys not the best way to promote animal rights?

Anyway, here's House's Lisa Edelstein showing a nice slice of crackage in an ad for the controversial animal-rights group PETA, joining a long line of celebs like Pamela Anderson, Sasha Grey, and Alicia Silverstone who have gone bare to go green.

Beat your meat with our Nude Celebrity VADGE-etarians playlist right here at MrSkin.com