Demi Lovato's Shocking Diagnosis

After checking into treatment at a residential facility, teenage Disney darling Demi Lovato received a shocking diagnosis: She was bipolar. "I had no idea that I was even bipolar until I went into treatment," the eighteen-year-old told ABC News' Robin Roberts. "I was actually manic a lot of the times that I would take on workloads, and I would say, yes, I can do this, I can do this, I can do this. I was conquering the world, but then I would come crashing down, and I would be more depressed...Full Story