Demi Lovato appeared on the Ellen DeGeneres Show this week, where she spoke for the first time in detail about what led to her drug overdose in July 2018. She broke her six-year sobriety just three months before, she told DeGeneres, in part because of the controlling nature of her old team and her unhappiness that grew over time.She said:I have to preface it with the fact that I got sober at 19.