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
Ten (Girls Aloud album) appeared on BBC Radio 1's Live Lounge, performing their 2004 single "Love Machine" and a mash-up of Labrinth and Emeli Sandé's "Beneath Your Beautiful" with their song "Beautiful 'Cause You Love Me". On the same date, Girls Aloud performed "Love Machine" on "The Graham Norton Show" on BBC One. A documentary special entitled "" aired on ITV on 15 December 2012. The documentary explored the band's history, their individual successes, and their tenth anniversary reunion, also featuring behind-the-scenes access to their comeback preparations, culminating in their performance at the Royal Variety. The documentary attracted 2.5 million viewers on ITV. On