The ‘Heroes’ and ‘Nashville’ star was a teen sensation in the 2000s, only to have her career derailed by addiction and tragedy. As she releases a harrowing new memoir, she speaks to Adam White about domestic violence, her estrangement from her mother, and being fired from the movie that could have changed her life Get the latest entertainment news, reviews and star-studded interviews with our Independent Culture email Get the latest entertainment news with our free Culture newsletter Get the