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
Love Machine (Girls Aloud song) on 16 September 2004, and at the Smash Hits Poll Winners Party in 2004. They also performed it at the Carling Academy London on 10 February 2005, and at the TMF Awards 2005 in Belgium. The same year, Girls Aloud went on their debut tour, What Will the Neighbours Say? Live, where they performed "Love Machine" in schoolgirl uniforms. For 2006's Chemistry Tour, there was an interlude where the group danced to "1 Thing" by Amerie. There was a similar interlude during 2007's The Sound of Girls Aloud: The Greatest Hits Tour, where a big band breakdown was included. Also