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24 July 2012, 18:17
The former Sugababes stars are currently finishing off material following the announcement of their formation.
Mutya Keisha Siobhan have revealed that they are busy working on new material in the studio.
The group, who were in the original line-up of the Sugababes, also posted a picture on Twitter to show fans what they were up to.
"Just in the studio finishing up one of our tracks :-) Sending you a Big Hello from us!!! XxX," they wrote in the group message.
Mutya Keisha Siobhan announced their comeback last week following months of speculation.
The Sugababes originally formed back in 1998 but have gone through a significant number of line-up changes over the years and the current line-up, comprising Heidi Range, Amelle Berrabah and Jade Ewen, features none of the original members.
Mutya Keisha Siobhan get fans excited with studio picture: (Picture: twitter)
"I feel like everything has gone full circle and right now I'm exactly where I'm meant to be," Keisha told Popjustice last week about forming the new band. "And I genuinely wish them the best of luck."
The girls are expected to announce more details in the coming months.