– PETA loves to get normally-clothed celebrities to strip down for ad campaigns, but with the addition of Sasha Grey to the stable, the animal rights organization “is basically a porn site now,” writes Jen Carlson on Gothamist. Grey is, of course, “the charming young lady you've seen in films such as Fuck Slaves”—ie, an actual porn star. Check out her ad, as well as a few other recent naked ladies courtesy of The Frisky and PopEater, in the gallery.