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 mainstream British pop could get in the noughties, play them this." In 2009, "The Times" included 2007's "Tangled Up" at number 62 on a list of the decade's best pop albums, while the "Daily Mail" listed it as the twentieth best album of the decade. MSN listed 2005's "Chemistry" as one of the decade's best albums. Girls Aloud are also notably one of the few British reality television acts to achieve continued success and longevity. According to "The Times", Girls Aloud are the highest-earning UK reality television stars, having amassed a fortune of £25 million by May 2009. The figure