Billie Piper: Billie Piper. Actress: Secret Diary of a Call Girl. Billie Piper studied at the prestigious Sylvia Young Theatre School. She caught the eyes of record producers who were interested in signing a young vocalist when she was the poster girl for the ad campaign of a British pop music magazine, "Smash Hits". She released her first single, "Because We Want To", which debuted at #1 at age 15. Her second...
