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
Wake Me Up (Girls Aloud song) Chart, becoming Girls Aloud's first single to miss the top three. It fell to number ten the following week. "Wake Me Up" is Girls Aloud 18th best-selling single in the United Kingdom. In Ireland, the single debuted and peaked at number six, falling to number 11 the following week. "Wake Me Up" failed to debut at the top ten in Europe, peaking at number 13 on the European Hot 100 Singles. Wake Me Up (Girls Aloud song) "Wake Me Up" is a song recorded by English-Irish girl group Girls Aloud from their second studio album, "What Will the Neighbours Say?"