The 'Price Tag' singer headlined Sunday's 2011 Jingle Bell Ball and was joined on stage by 'Up' singer James Morrison. See the pictures of her set.
Playing live again for Capital and the Summertime Ball
Latest James Morrison News & Videos
Check out ALL of the winners from this year's event and find out who walked home with BRITs gold.
This chap received deafening applause when he took to the stage at the Summertime Ball. Watch his amazing set including 'Don't Stop The Rain' and 'You Give Me Something' here.