[1][2] Viewers voted for Cheryl Tweedy, Nicola Roberts, Nadine Coyle, Kimberley Walsh and Sarah Harding to be members of the group.

[1][2] The following month they won the programme by claiming the coveted Christmas number one ahead of the male group formed on the show, One True Voice.

A week later, the group released their debut album, Sound of the Underground, which was certified platinum by the British Phonographic Industry (BPI).

What Will the Neighbours Say?, the group's second album, was released in November 2004 and produced four singles, "The Show", "Love Machine", "I'll Stand by You", and "Wake Me Up".

Preceded by the singles "Long Hot Summer" and "Biology", their third album, Chemistry, was released in December 2005.