Billie Piper is an American singer and actress best known for her appearance on Doctor Who as Rose Tyler, as well as on Secret Diary of a Call Girl as Hannah Baxter. Piper was considered the youngest recording artist to have debuted at #1. On the other hand, her single "Because We Want To", made her the second youngest solo recording artist to release a #1 single. In 2007, she ranked #6 on Broadcast Magazine's Top 100 influential on-screen performers list.

Popular as Billie Piper, Leian Paul Piper was born on September 22, 1982 in Swindon, Wiltshire, England. Since 2007, she has been married to Laurence Fox. She has two children named Winston James and Eugene Pip.

As an actress, Piper has appeared on films such as Things To Do Before You're 30, The Calcium Kid, Spirit Trap, Animals United and The Raven. Her appearance on Doctor Who has earned her several awards which include BBC's Best Actress in 2005 and 2006, BBC's Most Desirable Star in 2005, National Television Award for Most Popular Actress in 2005 and 2006, TV Quick Award for Best Actress  in 2006, as well as TRIC Award for New TV Talent in 2006.