Cheryl (singer) first contestant to qualify for the girl group, and was joined by Nadine Coyle, Sarah Harding, Nicola Roberts and Kimberley Walsh to form Girls Aloud, following the final public vote. The group's debut single "Sound of the Underground" peaked at number one on the UK Singles Chart, becoming the 2002 Christmas number one over boy band One True Voice's "Sacred Trust / After You're Gone". Girls Aloud hold the record for the shortest time between being formed as a band and achieving a number one single. Girls Aloud released their debut album "Sound of the Underground" in May 2003, which
Girls Aloud of the five members being the face of a different shampoo. The same year, Girls Aloud also sealed a deal with the UK division of Samsung. They endorsed mobile phones and MP3 players, made personal appearances and sang at Samsung events, and contributed to competition prizes, among other activities. The Samsung F210 Purple came with a 1GB memory card featuring Girls Aloud content. Girls Aloud appeared in television advertisements for Nintendo DS the following year. The girl group signed a deal to front a promotional campaign for a new low-calorie KitKat bar called "Senses" in March 2008. The chocolate bar