The What Will the Neighbours Say...? Tour was Girls Aloud's debut concert tour. It promoted their first two albums, Sound of the Underground and What Will the Neighbours Say?. The tour reached theatres across the United Kingdom and Ireland. Seventeen tour dates were initially announced by various news sources in December 2004. Extra shows were added at the Manchester Apollo and London's Hammersmith Apollo respectively, due to the high demand. Girls Aloud performed all of their singles to date in addition to album tracks and a cover of Wheatus' "Teenage Dirtbag". The show was released on DVD in November 2005 In a review of the DVD, MusicOMH stated "this features all that you'd ever want from a pop concert [...] almost every song is a cracker."
