The Sugababes will be performing at T4's Stars Of 2009.
Amelle Berrabah, Keisha Buchanan and Heidi Range will be joined by JLS, Alexandra Burke, Calvin Harris and La Roux at the star-studded gig, which takes place on Sunday November 29 at London's Earls Court.
T4 presenter Steve Jones, who will be hosting the event with Miquita Oliver and Rick Edwards, said: "Make no mistake - T4's Stars of 2009 is going to be huge! 2009 has been a vintage year for music and we've got some great acts lined up to perform to round off the year in style."
Metro