Bradley Cooper on Lady Gaga, "That was the day where the movie was born." | Extra Butter
'A Star is Born' interview: Bradley Cooper talks with Mark S. Allen about what Lady Gaga brings to the movie, directing for the first time, gets emotional about his father, and Lars Ulrich's reaction to the film. Watch Extra Butter every Friday morning at 9:30 a.m. on ABC 10. Interview provided by Warner Bros. Pictures.