Somebody needs to chill.
Chris Brown blew his fuse during an appearance on Good Morning America today, with an ABC source telling E! News the singer "went ballistic" backstage after getting asked a question about his beatdown of Rihanna.
Brown, still on probation for the crime, started dropping F-bombs and tossing furniture and caused staffers to "feel scared," according to our insider.
So what exactly set him off?