Demi Lovato was not in Camp Rock.
Demi Lovato . After making her debut as a child actress in Barney & Friends , Lovato rose to prominence in 2008 when she starred in the Disney Channel television film Camp Rock and released her debut single `` This Is Me '' which peaked at number nine on the Billboard Hot 100 . After the release of additional television films and their soundtracks in 2010 , including Camp Rock 2 : The Final Jam , Lovato 's personal issues put her career on a hiatus and led to the discontinuation of Sonny with a Chance after a second season .