All five members took part in the show, which generally consisted of the group performing songs, intercepted sketches and interaction with the audience.
Girls Aloud performed some of their biggest hits, as well as some tracks from their latest album, Out of Control.
[1] James Morrison performed his track "Broken Strings" with Girls Aloud, while Kaiser Chiefs led into "Sound of the Underground" with their own track, "Never Miss a Beat".
Along with performing, Girls Aloud performed comic skits in which Cilla Black and Julie Goodyear starred as Nicola Roberts's grandmother and Sarah Harding's mother.
[2] On 11 November, the official Girls Aloud website ran a competition in which 100 entrants would win tickets to the show.