Lady Gaga's Grammy duet?
Lady Gaga is rumoured to be performing surprise duet at 53d Grammy Awards
The "Paparazzi " singer, who is debuting the first single from her second album, Born This Way live at the ceremony on February 13th, is reportedly planning a surprise performance with British rock band Muse too.
Muse frontman, Matt Bellamy , has often spoken of his admiration for Lady Gaga 's work.
Other stars performing at the Grammys include Katy Petty , Cee-Lo Green and Gwyneth Paltrow .