From the earliest days of Hollywood, the pressures of fame led to a febrile atmosphere among its stars. The magic of the movies made audiences' pulses quicken, but what was really happening in the lives of the actors up on the silver screen? Hollywood Love Stories looks at 14 real-life love affairs across the golden age of the movies, from the 1920s to the 1970s, from Douglas Fairbanks and Mary Pickford to Ingrid Bergman and Roberto Rossellini.