Girls Aloud discography Actually", and appeared on the re-issue of "Sound of the Underground". "What Will the Neighbours Say?", the group's second album, was released in November 2004 and produced four singles, "The Show", "Love Machine", "I'll Stand by You", and "Wake Me Up". Preceded by the singles "Long Hot Summer" and "Biology", their third album, "Chemistry", was released in December 2005. It is their lowest charting album to date, although it was still certified platinum in the UK. The following year, Girls Aloud released their greatest hits anthology, "The Sound of Girls Aloud", which included their twelve singles and three new songs,
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,