Demetria Devonne "Demi" Lovato (/ˈdɛmi ləˈvɑːtoʊ/ DEM-ee lə-VAH-toh;[4] born August 20, 1992) is an American singer, songwriter, and actress. After appearing on the children's television series Barney & Friends (2002–2004), she[a] rose to prominence ...
(wikipedia)