who's Demi Lovato

Demetria Devonne "Demi" Lovato (born August 20, 1992) is an American actress and singer-songwriter. She is best known for her roles as Mitchie Torres in the Disney Channel Original Movie, Camp Rock and its upcoming sequel, Camp Rock 2: The Final Jam, and as Sonny Munroe in Sonny With a Chance. As a solo musical artist, Lovato released her debut album Don't Forgeton September 23, 2008. The album debuted at #2 on the Billboard 200 selling 89,000 copies in the first week. Lovato released her second album, Here We Go Again, on July 21, 2009. The album debuted at #1 on the Billboard 200 selling 108,000 copies in the first week