Girls Aloud by Louis Walsh until 2005 when Hilary Shaw replaced him. The new group competed with the boys' winning group, One True Voice to have 2002's Christmas number one single. Girls Aloud won the battle with their single "Sound of the Underground", produced by Brian Higgins and Xenomania. The song spent four consecutive weeks at number one and was certified platinum in March 2003. The song received critical acclaim; Alexis Petridis of "The Guardian" stated that "it proved a first: it was a reality pop record that didn't make you want to do physical harm to everyone involved in its manufacture".
The Show (Girls Aloud song) of her customers; Cheryl Cole is "Maxi Wax", who makes the waxing process as painful as possible; and Kimberley Walsh is "The Boss", who looks on amusedly as her employees take their revenge on the salon's male customers. Girls Aloud performed "The Show" at 2004's Royal Variety Performance. During the performance, they changed from little black uniforms to sultry red dresses during the course of their routine. They also performed the song at London gay nightclub G-A-Y, to promote the release of the single, on 26 June 2004. Girls Aloud have included "The Show" in five of their concert tours.