Demi Lovato

'Demetria Devonne "Demi" Lovato (born 1992) is an American actor, 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. Her debut album, Don't Forget was released on September 23, 2008.

Lovato appeared alongside the Muppets in Studio DC Hosted by Selena Gomez where she performed her song "This is Me" with Beaker after her original duet partner, Kermit the Frog, was dragged off the stage by a jealous Miss Piggy.