Nude Celebrities: Who's Stripped Down On Camera?

Sweet as pie--and mother of three--Reese Witherspoon once played peek-a-boob on-screen?



We could hardly believe it either, but that's a fact. Back in 1998, the Southern beauty played Mel, a teen runaway with a sleazy boyfriend, in Twilight. (No relation to those vampires, wolves, and Kristen Stewart.)