As Bobbi Kristina Brown lies in a coma inside a Georgia hospital, those who know her best can’t help but think about what could have led to such a tragic end. Now, a family friend is speaking out exclusively to Breaking Celebrity News about how the 21-year-old’s life seemed doomed from the start — because of drug addiction.

It all started when a teenage Krissy witnessed her parents' own drug-fueled downward spiral, which forced her to live at times with her aunt and uncle.