by Sarah Ball
Their chubby-cheeked debuts left us warmly cheering for their success, but even the cuddliest child stars can't make it in the big leagues unless they reinvent themselves. With tween phenom Miley Cyrus looking to make a break with her child-star identity as Hannah Montana, we look at Hollywood tots who eased into successful adult careers, as well as those who remain trapped by their youthful personas.
