Jennifer Lopez flashed a big smile on the set of What to Expect When You're Expecting in Atlanta, GA, on Friday. She was hard at work shooting an airport scene with a handsome costar while her son and daughter, Max and Emme, played nearby. The twins are regulars on the set and have been stopping by to watch mom J Lo filming since she arrived in Georgia a few weeks ago. Jennifer is throwing herself into this new project in the wake of her split from Marc Anthony. J Lo opened up about the divorce in the September issue of Vanity Fair, though most of you are ready to move on from the topic already.