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 Camp Rock movies and as Sonny Munroe in Sonny With a Chance. Lovato starred in the 2009 movie Princess Protection Program. Before Disney, she had one of the roles on Barney & Friends.
As a solo musical artist, Lovato released her debut album Don't Forget on September 23, 2008. The album debuted at #2 on the Billboard 200 selling 89,000 copies in the first week. It has since sold over 473,000 records in the US. Lovato stated in an interview that the album was recorded in ten days. 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. [Wikipedia]