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9 December 2013, 10:09
Check out the 'Applause' star's performance of the Christmas classic at London's O2 Arena.
Lady Gaga made sure the Christmas spirit is in full swing at the Capital FM Jingle Bell Ball 2013 with a performance of 'The Christmas Song', before heading straight into a performance of 'Poker Face'.
The 'Applause' singer opened her set with the festive classic, as the final performer to take to the stage at the event.
Lady Gaga's Jingle Bell Ball 2013 performance saw her singing 'Do What U Want', 'Applause', 'Born This Way', 'Aura', 'Just Dance' and 'Poker Face'.