Sarah Harding participating in weekly Saturday night live performances (alternating weekly between the girls and boys). Each week the contestant polling the fewest phone votes was eliminated, until the final line-ups of the groups emerged. Harding joined Nadine Coyle, Cheryl Tweedy, Nicola Roberts, and Kimberley Walsh to comprise the new girl group Girls Aloud, formed through the show by a public vote on 30 November 2002. The group's debut single "Sound of the Underground" peaked at number one on the UK Singles Chart, becoming the 2002 Christmas number one. Girls Aloud hold the record for the shortest time between formation and reaching
Long Hot Summer (Girls Aloud song) do a dance routine as the song concludes. In a review of the single, musicOMH referenced the video. Alexis Kirke wrote, "half of the Girls Aloud phenomenon is about these ladies "forms", so I'm "content" to merge this piece of media into its stylist-driven and over-thinned orange-tinted video." The video can be found on the DVD release of 2005's What Will the Neighbours Say? Live, as well as 2007's "Style". "Long Hot Summer" was performed live for the first time on "" on 24 July 2005, using fans in their dance routine. They returned to the show the following month