"Jennette McCurdy was six years old when she had her first acting audition. Her mother's dream was for her only daughter to become a star, and Jennette would do anything to make her mother happy. So she went along with what Mom called "calorie restriction," eating little and weighing herself five times a day. She endured extensive at-home makeovers while Mom chided, "Your eyelashes are invisible, okay? You think Dakota Fanning doesn't tint hers?"...