Loose Lips

Eva Mendes is out of rehab. She was spotted at L.A. club Madeo last night. Stay well, pretty lady! • The Jonas Brothers say they'll stay virgins until they get married. Us takes this opportunity to present a slide show of famous former virgins like Britney, Jessica Simpson, and H. Duff. Oh how the mighty hymens have fallen! • Grey's Anatomy star T.R. Knight has a new boyfriend, AIDS activist and college student Mark Cornelsen. Cute couple alert! [TMZ, Us, Page Six]