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) and performed the single the weekend ahead of its release, accompanied by a Jeep as a prop. They also performed the song on shows such as "GMTV", "Ministry of Mayhem", "Pepsi Max Downloaded", "Smile", "Top of the Pops", and "Top of the Pops Reloaded". Girls Aloud also performed at London gay nightclub G-A-Y to promote the release of "Long Hot Summer". They also appeared at the summer open-air concerts Big Gay Out, Live on the Lawn, and pop2thepark. Girls Aloud performed "Long Hot Summer" on 2005's Chemistry Tour and 2006's . These are the formats and track listings of major