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 at number four on the UK Singles Chart. In March 2007, Girls Aloud collaborated with fellow British girl group Sugababes for the cover of the song "Walk This Way" by Aerosmith. Billed as "Sugababes vs. Girls Aloud", the song served as the official single for "Comic Relief" which became the group's third number one. In May 2007, Girls Aloud embarked on their third tour, . Girls Aloud released their fourth studio album, "Tangled Up", in November 2007. The first single from the album, "Sexy! No No No..." peaked at number-five on the UK Singles Chart. The second single, "Call the