Jennifer Lopez and Marc Anthony Dating Again Until now Jennifer Lopez’s love life is still a mystery. Then rumored to be dating some guy named Casper foregoing Smart, now he’s back is said to have spent the night with her ??ex-husband, Marc Anthony. As reported by Aceshowbiz, singer song On the Floor is visible along with Marc in early November. At that time they were filming their latest talent event, titled Q VIVA! The Chosen. One source revealed that Jennifer was picked up by Marc at the airport.