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
Girls Aloud edition. The group was also named the United Kingdom's biggest selling girl group of the 21st century, with over 4.3 million singles sales and 4 million albums sold in the UK alone. In March 2013, after the , the group announced their split. The group Girls Aloud was formed on 30 November 2002, in front of millions of viewers on ITV's "". The concept of the programme, hosted by "Big Brother" presenter Davina McCall was to produce a boyband and a girlgroup who would be "rivals" and compete for the 2002 Christmas number one single. Following the initial success of