Demi Lovato
Lovato has an eating disorder and has been diagnosed with bipolar disorder. Lovato’s father, Patrick, died of cancer on June 22, 2013, at age 53. On October 17, 2017, Lovato released a YouTube documentary called Demi Lovato: Simply Complicated, in which she described her teenage use of cocaine and performing on American Idol while hungover. Lovato considers having the right support system to be lifesaving.