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 to break the group in the Australian market. "Whole Lotta History", the fourth and final single to be taken from "Chemistry", was released in March 2006 and charted at number six. In 2005, Girls Aloud filmed a one-off documentary entitled "" for ITV2. The success of the show later made way for "", a six-part fly on the wall documentary series for E4. Girls Aloud then appeared in an episode of "Ghosthunting with..." (without Nadine) towards the end of 2006, in which Yvette Fielding guided them through haunted locations. In May 2006, Girls Aloud embarked on their first arena tour,