Jennifer Lopez and Marc Anthony rocked the red carpet last night at the screening of The Back-up Plan in South Beach, Miami. J. Lo stunned in an animal print dress, and Mark looked very Miami chic in a light-colored suit. So nice to see that Marc had his leading-lady's back! The fashion-forward couple is very supportive of one another.[gallery nid="39959"] OK! NEWS: JENNIFER LOPEZ IS GOING OVERBOARD The romantic comedy is about a woman who conceives twins through artificial insemination, only to meet the man of her dreams on the same day! Read More >>