Demetria "Demi" Devonne Lovato (born August 20, 1992) is an American actress, singer and songwriter. She is best known for her role as Mitchie Torres in the Disney Channel Original Movie Camp Rock and for her role as Charlotte Adams in the short five-minute Disney Channel series As The Bell Rings. She is currently on the Burning Up Tour with the Jonas Brothers. Selena Gomez (born July 22, 1992) is an American child actress and singer. She currently stars as Alex Russo on the Disney Channel Original Series, Wizards of Waverly Place. Gomez also has a career as a singer, and has recorded two songs for Walt Disney Records and sang several songs while on Barney & Friends with her Barney co-star Demi Lovato.