Stories about child actresses seldom have happy endings, and Linda Darnell’s case is no different. Darnell grew up adored by Hollywood but soon learned its many dangers. No matter how hard she tried, happiness always seemed to evade her. Before she even got a chance to turn her life around, the “Girl With The Perfect Face” met an end so horrific—it’s unforgettable. 1. She Grew Up In A Toxic EnvironmentDarnell was born into a big family, but her parents’ marriage was an unhappy one. Her mother, Margaret “Pearl” Brown, had two children from a previous marriage before she married Darnell’s father…