"Untouchable" is a song performed by British all-female pop group Girls Aloud, taken from their fifth studio album Out of Control (2008). The song was written by Miranda Cooper, Brian Higgins and his production team Xenomania, and produced by Higgins and Xenomania. Influenced by trance music and Balearic beat, the album version of "Untouchable" is almost seven minutes long.

Girls Aloud are a British pop girl group that was created through the ITV talent show Popstars: The Rivals in 2002. The line up consisted of members Cheryl Tweedy, Nadine Coyle, Sarah Harding, Nicola Roberts and Kimberley Walsh. In 2012, the group was named as the United Kingdom's biggest selling girl group of the 21st century so far, with over 4.3 million singles sales and 4 million albums sold in the UK alone. During their two decades together, the group achieved a string of twenty top ten singles on the UK Singles Chart, including four number ones. They also achieved seven certified albums, two of which debut at number one. They have been nominated for five Brit Awards, winning the 2009 Best Single for "The Promise".