You may know that Demi Lovato is a chart-topping singer and a talented actress. But did you know that she: • got her start on the small screen playing Angela on the kids' TV show Barney & Friends? • was bullied in school and now works hard as a spokesperson to try to put an end to bullying? • has overcome incredible personal challenges to become the successful star she is today? Want to know more about the life of this amazing artist? Read on...