Mandy Moore Nipple Slip

OK, Tara Reid accidentally flashing her boob in a drunken red carpet haze of flashbulbs made sense ... but we always thought Mandy Moore was too squeaky clean to let her best assets show in public. Apparently, we were wrong. We're blaming Jenny McCarthy for leading her down the primrose path of nipple-baring dalliance—can't you just see that evil glint in her eye?

"Mandy, You're A Fine Girl" (E! Online, thanks B. - also spotted [of course] by Defamer)