It was a star-studded affair at the LA premiere of What to Expect When You're Expecting, and celebrities brought their style game to the red carpet at Grauman's Chinese Theatre in LA. Jennifer Lopez stole the night in a nude silk gown by Maria Lucia Hohan, complete with monochromatic accessories thanks to Sergio Rossi and Jacqueline Nerguizian. Elizabeth Banks took a fashion risk in a moody Alexander McQueen fit-and-flare frock, and Brooklyn Decker brought her beachy-glam style in a mixed-print yellow maxi dress by Giambattista Valli. Watch today's Fab Flash to get all the details on these fabulous outfits. On Allison McNamara: Rebecca Taylor jacket, Zara blouse.