Carey Mulligan Gets SCHOOLED by Co-Star Bradley Cooper on Cheesesteaks (Exclusive)

Bradley Cooper and Carey Mulligan chat with ET’s Nischelle Turner on the Los Angeles premiere of ‘Maestro,’ in theaters now and on Netflix on Dec. 20. The co-stars react to receiving Golden Globe nominations for the movie and share the private lesson they took away after filming. Plus, Bradley particulars his Philly cheesesteak meals truck expertise in New York final week.