Demi Lovato

Demetria Devonne Lovato (born August 20, 1992) is an American singer, songwriter, actress, and executive producer. After appearing on the children's television series Barney & Friends (2002-2004), she rose to prominence for her role as Mitchie Torres in the Disney Channel musical television film Camp Rock (2008) and its sequel Camp Rock 2: The Final Jam (2010).