Original: Piper was offered a record deal at the age of fifteen, and in 1998 became the youngest artist ever to debut at number one in the UK singles chart with "Because We Want To", released under the stage mononym "Billie".
Simplified: Soon after she was offered a record deal at the age of fifteen, and in 1998 became the youngest artist ever to start at number one in the UK Singles Chart with "Because We Want To", released under the artist name "Billie".