Her struggles with an eating disorder, substance abuse, and self-harm led to her self-help memoir staying strong: 365 days a year (2013), and the documentaries demi lovato: Stay strong (2012), Ò€¦

Demi lovato is a grammy-nominated and award-winning musician, actor, advocate and new york times best-selling author. She was first known for her onscreen talents, and soon after became a Ò€¦ Demi lovato demetria devonne lovato (born august 20, 1992), known as demi lovato, is an american singer-songwriter, philanthropist, and actress. Lovato was first in barney & friends Ò€¦