The Godfather actor Gianni Russo says he lost his virginity to Hollywood star Marilyn Monroe when he was 15 and she was 33. Russo claims the pair maintained a close relationship up until her death aged 36 in 1962. "Marlon Brando was my only acting teacher, Frank Sinatra was my only singing teacher and Marilyn Monroe made me a man," the 75-year-old told thesun.co.uk.