High Quality Content by WIKIPEDIA articles! The discography of Girls Aloud, a British pop music girl group, consists of five studio albums, one greatest hits album, and two remix albums. Girls Aloud have also released twenty-one singles and music videos and six music DVDs; three being concert recordings. They have also provided eleven original recordings for other albums, and appear on three non-music DVDs. Girls Aloud was formed in 2002 on the ITV1 talent show Popstars: The Rivals. Viewers voted for Cheryl Cole (née Tweedy), Nicola Roberts, Nadine Coyle, Kimberley Walsh and Sarah Harding to be members of the group. The following month they won Popstars: The Rivals by defeating the male group One True Voice. They released their debut single "Sound of the Underground", which became the Christmas number-one on both the UK Singles Chart and Irish Singles Chart. Their second single, "No Good Advice", was released in both CD and DVD single formats in May 2003. A week later, the group released their debut album Sound of the Underground, which was certified platinum by the British Phonographic Industry (BPI).