Jennifer Lopez and Her Aussie Leading Man Alex O'Loughlin Attend the LA Premiere of The Back-Up Plan

Jennifer Lopez had her husband, Marc Anthony, by her side for last night's premiere of The Back-Up Plan in LA. Her onscreen love interest, Aussie Alex O'Loughlin, was also there to pose for photos with J Lo and her pal Heidi Klum took a break from doing her own press to hit the red carpet too. Jennifer has been hard at work promoting the movie over the last few weeks with a screening in Miami and a press tour in NYC. Alex goes shirtless in the film and plays a buffed-up bachelor who wins Jennifer's heart. The movie reportedly already leaked online, but hopefully it won't hurt the film's box office performance in the US this weekend.

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