Jennifer Lopez and Cameron Diaz popped up at the Oscars tonight. And lest you were distracted by the rear-focused conclusion of their presentation for Best Costume, a bit of wardrobe malfunction did notably occur in the J. Lo department. Until the referees get a closer look, we'll dub it a half-slip. But hang on a sec — do you hear that? The sound of a HILARIOUS new novelty Twitter account being created?