L-R: Kimberley, Sarah, Nicola, Cheryl, Nadine

After spending the first half of 2008 on the Tangled Up Tour, Girls Aloud’s most commercially successful album Out of Control is released. They also release their autobiography Dreams That Glitter: Our Story. Cheryl Cole begins judging for The X-Factor, where she will stay for three successful seasons.

The Video: “The Promise” has a strong retro feel, so the video plays that up by having the girls hit up a drive-in theatre to watch, uh, themselves perform in the style of a Motown girl group. Meta.