Chris Brown blows up after "Good Morning America" interview

(CBS) - Chris Brown reportedly launched into a violent rage after his interview on "Good Morning America" Tuesday.

Pictures: Chris Brown
Pictures: Rihanna
Pictures: Stars with anger issues

The 21-year-old R&B singer allegedly smashed a window in his dressing room and stormed out of the studio shirtless after ABC's Robin Roberts questioned him on-air about legal issues surrounding his 2009 Grammy eve assault on ex-girlfriend, Rihanna, WABC in New York reports.

"I think I'm passed that at this point in my life," he said, trying to redirect the interview to his new album. "Today is the album day, that's what I'm focusing on."

Brown was sentenced to five years probation and six months of community labor in 2009.  A judge recently commended his probation progress and easedhis restraining order which prohibited him from having any contact with Rihanna.