Dermot Mulroney chats with ET's Rachel Smith at the premiere of the romantic comedy, 'Anyone but You,' in New York City. The actor opens up about playing the bride's father in the film, which stars Sydney Sweeney, as opposed to playing the groom in the 1997 rom-com, 'My Best Friend's Wedding.' He also reacts to Julia Roberts revealing on 'Watch What Happens Live With Andy Cohen,' that she wants to film a sequel to the beloved movie. 'Anyone but You' is in theaters on Dec. 22. Source