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".
Out of Control (Girls Aloud album) to up our game with this album and step outside the comfort zone." Girls Aloud co-wrote four songs on the album: "Love Is the Key", "Miss You Bow Wow", "Revolution in the Head" and "Live in the Country". In particularly, the bridge of "Love Is the Key" was written by Kimberley Walsh. The album's lead single, "The Promise", is a 1960s Spector-influenced number. Despite the popularity of 1960's pastiches, it was said that Girls Aloud's "go-for-broke, very modern re-imagining of Spector's wall of sound proves to be more authentic and entertaining than most other recent attempts". "The Loving Kind" is