Demetria Devonne "Demi" Lovato was born on August 20, 1992 in Albuquerque, New Mexico and raised in Dallas, Texas to Dianna De La Garza, a former Dallas Cowboys cheerleader & Patrick Martin Lovato, an engineer and musician. Demi started out as a child actor on Barney & Friends. In 2007, Demi Lovato got a part on a short Disney Channel show called ...