Rex Features
The Xenomania-produced track will be released on April 27 to coincide with their UK-wide tour.
"As soon as the album was released, it became clear that this was destined to become a fan favourite," the band wrote on their blog.
The song, which has a full runtime of 6 minutes 45 seconds, was chosen as the most popular album track by a poll on the group's official website.
> Click here for our review of Girls Aloud's Out Of Control album
