Demi Lovato

Demetria Devonne "Demi" Lovato ( DEM-ee lə-VAH-toh; born August 20, 1992) is an American singer, songwriter, and actress. After appearing on the children's television series Barney & Friends (2002–2004), she rose to prominence for playing Mitchie Torres in the musical television film Camp Rock (2008) and its sequel Camp Rock 2: The Final Jam (2010). The former film's soundtrack contained "This Is Me", her debut single and duet, which peaked at number nine on the U.S. Billboard Hot 100.