Demi Lovato has acted in Camp Rock and Camp Rock 2. She plays Mitchie Torres. In the movie Camp Rock she falls in love with Joe Jonas and sings the song This Is Me. Mitchie tricks all the Camp Rock campers into believing that her mom own a Hot Tunes store in China. Then they find out that she was lying and everyone is mad at her.She also stars in the TV show Sunny With A Chance. Demi has a sister named Dallas. She is a skilled pianist and guitar player. Demi Lovato is a famous singer to. Demi’s role model is Kelly Clarkson.