Demetria Devonne "Demi" Lovato born August 20, 1992 is an American singer-songwriter, musician, and actress. Her earliest roles included Angela on Barney & Friends, before she became better known for her starring roles in the Camp Rock movies, as Sonny Munroe in the Disney sitcom Sonny with a Chance, and as the star of the 2009 movie Princess Protection Program. She is also involved in philanthropic activities through charity work and various social and environmental causes.
Singer Demi Lovato arrives at the 2012 People's Choice Awards held at Nokia Theatre L.A. Live on January 11, 2012 in Los Angeles, California.
