Demetria Devonne Lovato, professionally known as Demi Lovato, is an American singer, songwriter and actress. After appea...

Demetria Devonne Lovato, professionally known as Demi Lovato, is an American singer, songwriter and actress. After appearing on the children's television series Barney & Friends (2002–2004), Lovato rose to prominence for playing Mitchie Torres in the musical television film Camp Rock (2008) and its sequel Camp Rock 2: ...