Demi Lovato - 2008
Ever since her role in the 2008 Disney Channel film, Camp Rock, Demi Lovato has been a household name. The movie launched her acting and singing career overnight, and now even includes a few Top 10 hits. The only thing to move more quickly than her career? The rate at which the star changes her hair color!
Lovato launched her career with her hair in long, curled layers and bangs.