Tangled Up is the fourth studio album by British girl group Girls Aloud, released on 16 November 2007, through Fascination Records. The album was produced by Brian Higgins and production team Xenomania, and recorded over six months. According to the group, the production and songwriting began with each member meeting with Higgins to discuss what had happened with them since the release of Chemistry (2005). Tangled Up received acclaim from contemporary music critics upon its release, and achieved moderate success, debuting at number four on the UK Albums Chart, while missing the top twenty on the Irish Albums Chart.