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".
Ten (Girls Aloud album) appeared on BBC Radio 1's Live Lounge, performing their 2004 single "Love Machine" and a mash-up of Labrinth and Emeli Sandé's "Beneath Your Beautiful" with their song "Beautiful 'Cause You Love Me". On the same date, Girls Aloud performed "Love Machine" on "The Graham Norton Show" on BBC One. A documentary special entitled "" aired on ITV on 15 December 2012. The documentary explored the band's history, their individual successes, and their tenth anniversary reunion, also featuring behind-the-scenes access to their comeback preparations, culminating in their performance at the Royal Variety. The documentary attracted 2.5 million viewers on ITV. On