Demi Lovato speaks to ABC News Anchor Robin Roberts about her struggles with cutting and food addictions, and, for the first time, she talks about the depression that has plagued her since childhood. A portion of the exclusive interview will air on GOOD MORNING AMERICA (7-9am, ET) and the interview will air on 20/20 on FRIDAY, APRIL 22 (10-11pm, ET) on the ABC Television Network.
