The Greatest Hits Tour (Girls Aloud) a fabulous Sound of the Underground." The Greatest Hits Tour (Girls Aloud) The Greatest Hits Tour was the third concert tour by Irish and British girl group Girls Aloud, in support of their first greatest hits album "". Girls Aloud returned to Northern Ireland and the Republic of Ireland, having not performed there on 2006's . The band performed sixteen dates in various arenas across the United Kingdom and Ireland, making it their second arena tour. The Sound of Girls Aloud: The Greatest Hits Tour kicked off in Cheryl Cole's hometown of Newcastle on 14 May 2007 and concluding in
Girls Aloud Will the Neighbours Say? Live", which took place in May 2005. The group also released its first DVD, "Girls on Film". Following their first tour, Girls Aloud began work on their third studio album, "Chemistry". The album peaked on the UK Albums Charts at number eleven and received platinum certification. The first single from the album, "Long Hot Summer" was released in August 2005. The single ended Girls Aloud's run of top five singles when it charted at number seven. The follow-up single from the album, "Biology" was released in November 2005. The song was critically acclaimed; Peter Cashmore of