She recently took to Twitter when a joke was made on Disney Channel's Shake It Up about eating disorders. "Dear Disney Channel, Eating disorders are not something to joke about," she Tweeted. "And is it just me or are the actresses getting thinner and thinner? I miss the days of [That's So] Raven and Lizzie McGuire."
Sound Off: Do you agree with Demi Lovato that Disney Channel stars have changed body types over the years?
For the full story, pick up the March 2012 issue of J-14 Magazine, on stands now.