Overworked and 'Very Fragile': Inside Demi Lovato's Struggles as a Teen Star
Demi Lovatobecame an overnight sensation when she had her big break starring oppositeJoe Jonasin Disney Channel’s original movie Camp Rock, but the nonstop pace of her career took a toll on the young star.“She was very young, very fragile. The schedule was so intense,” a former member of the star’s inner circle tells PEOPLE exclusively about her rise to fame. “Demi never had a day off. She had to put in 16 hours on set, then go on tour, then record, then do press....