The star-studded fun kicked off on the red carpet at Thursday's Critics' Choice Awards and continued into the show. Celebrities stopped to chat as they made their way to their seats and mingled again between awards during the event. Bradley Cooper was the man of the hour, meeting up with Ben Affleck, Jennifer Lawrence, and Steven Spielberg, while Rebel Wilson snapped a pic with Anne Hathaway. Jennifer Lawrence celebrated her win with Robert de Niro, and Joseph Gordon-Levitt got excited in the audience. There were so many more fun candid moments — click through to see all the stars mingling at the Critics' Choice Awards!