Demi Lovato Tells ABC She Was Bullied Because She Was Fat

From Celeb TV: The Disney star opens up to GMA's Robin Roberts about her eating disorder and why she's quitting Sonny With A Chance.

IT'S HER FIRST TV INTERVIEW SINCE LEAVING REHAB IN JANUARY...NOW DEMI LOVATO IS OPENING UP ABOUT HER CUTTING AND EATING DISORDERS TO ABC NEWS.

THE DISNEY STAR TELLS ROBIN ROBERTS, HER PROBLEMS ALL STARTED WITH CHILDHOOD BULLYING.

"I know that you have