Billie Paul Piper (born Leian Paul Piper, 22 September 1982) is an English actress and former singer. She initially gained recognition as a singer after releasing her debut single "Because We Want To" at age 15, which made her the youngest female artist ever to enter at number one on the UK Singles Chart. Her follow-up single "Girlfriend" also entered at number one. In 1998, Piper released her debut studio album, Honey to the B, which was certified platinum by the British Phonographic Industry. Her second studio album, Walk of Life, was released in 2000 and spawned her third number one single, "Day & Night". In 2003, Piper announced that she had abandoned her music career to focus on an acting career