The depth of Demi Lovato's drug addiction becomes clear with the release of Simply Complicated, the second documentary about the singer. The first documentary about her, 2012's Stay Strong, focused on her recovery after she went to rehab at 18 (for self-harming and an eating disorder, along with drug abuse), but, as the new documentary reveals, she actually wasn't clean while filming it and often snuck into bathrooms or elsewhere to get high on cocaine, faking drug tests with other people's urine. Eight more revelations from Simply Complicated, per Vulture, Us, and E!: