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2 January 2013, 12:19
The girl group, who made up the original line-up of Sugababes, delighted revelers with a surprise performance.
Mutya Buena, Keisha Buchanon and Siobhan Donaghy – the original Sugababes line-up – covered Rihanna's 'Diamonds' during a surprise gig at New Year.
The three-piece took to the stage at a London party thrown by Ponystep magazine, with the gig marking their first public performance since they reunited in 2012.
Mutya Keisha Siobhan played a small set of songs, which as well as 'Diamonds' including their early singles as Sugababes, 'Overload' and 'New Year'.
On Twitter, Siobhan said her New Year had been her "best yet" following the performance.
The group are currently working on their new album, which is due to be released this year.
Watch Mutya Keisha Siobhan covering Rihanna's 'Diamonds' below: