It's a plot detail that will launch a thousand magazine covers: When Brad Pitt and Angelina Jolie reunite for By the Sea, their first cinematic pairing since 2005's Mr. & Mrs. Smith, the famously unmarried duo will play a married couple. Universal, which bought worldwide rights to the drama that Jolie wrote and will direct, is staying mum on details, but a source tells THR that the pair, who will produce, will be hitched onscreen.