Girls Aloud have unveiled their long-awaited comeback single today, posting the dance track "Something New" online.
The girlband - who went on hiatus in 2009 to focus on individual projects - are preparing to mark their 10th anniversary next month and speculation has been rife about what they would do in celebration.
Many expected a track would be released this Friday after a countdown appeared on the Girls Aloud website last week.
But they released a teaser video clip today - three days before the deadline.
In the clip, Cheryl Cole, Sarah Harding, Nadine Coyle, Kimberley Walsh and Nicola Roberts are seen with their backs to the camera wearing bright orange tulip-shaped mini-dresses.
They were widely expected to stage some form of reunion to mark ten years since the band's creation on the ITV1 show "Popstars: The Rivals" and their first number one, "Sound Of The Underground".
They are due to make an announcement on Friday morning when the countdown clock on their website reaches zero.
The track, "Something New", is set for release on November 18.