Did Jennifer Lopez Cheat On Marc With Her Sexy Video Co-Star?

Uh-oh. Did Jennifer Lopez and Marc Anthony break up because Jen was getting on the floor with William Levy, the hired abs from her "I'm into You" video? Levy — a telenovela star — separated from his wife in May. Now, just because Jenny slithered all over him in front on the cameras doesn't mean the sexytimes continued… » 7/18/11 9:00am 7/18/11 9:00am