Cheryl (singer) first contestant to qualify for the girl group, and was joined by Nadine Coyle, Sarah Harding, Nicola Roberts and Kimberley Walsh to form Girls Aloud, following the final public vote. The group's debut single "Sound of the Underground" peaked at number one on the UK Singles Chart, becoming the 2002 Christmas number one over boy band One True Voice's "Sacred Trust / After You're Gone". Girls Aloud hold the record for the shortest time between being formed as a band and achieving a number one single. Girls Aloud released their debut album "Sound of the Underground" in May 2003, which
The Sound of Girls Aloud: The Greatest Hits "singing and dancing glamorously". "I Think We're Alone Now" was chosen as the second and final single from the album, being released on 18 December. The song peaked at number four on the UK Singles Chart during Christmas week. The music video was directed by Alex Hemming and Nick Collett, and portrays Girls Aloud in an attempt to rob a Las Vegas casino. In 2007, Girls Aloud went on a tour to further promote the album. The announcement of the tour and the recording of their fourth studio album helped to stop rumours that the band were splitting up, which