Demi Lovato is an American singer, songwriter, and actress who rose to fame as a Disney Channel star in Camp Rock before launching a successful music career. Known for their powerful voice and emotive performances, Lovato has released several critically acclaimed albums, including Confident and Tell Me You Love Me, featuring hit singles like "Sorry Not Sorry" and "Skyscraper." Lovato is also recognized for their advocacy for mental health, LGBTQ+ rights, and body positivity, often sharing their own struggles publicly.