At seventeen, Gia Carangi was working the counter at her father's Philadelphia luncheonette. Within a year, she was one of the world's top models, gracing the covers of Cosmopolitan and Vogue, partying at Studio 54, and redefining the fashion industry's standard of beauty. But behind the glitz and fame, Gia was a young woman in pain, desperate for her mother's approval and facing a drug addiction that quickly spun out of control. With...