BRITs nominees Ellie Goulding & Tinie Tempah perform their hit 'Wonderman' at the BRITs 2011 Launch
Critics' Choice winner Jessie J performs her hit 'Do It Like A Dude' live and acoustic from the BRITS 2011 launch
The Wanted perform their BRIT Award nominated single 'All Time Low' at the 2011 awards launch event
Rihanna performs "Loud (Medley)" featuring 'Only Girl In The World', 'S&M' and 'What’s My Name'.
MasterCard British Album of the Year winners - Mumford & Sons light up the O2 Arena with an acoustic performance of their single 'Timshel'
The winners of the Best International Album and International Group Awards treat the O2 to a performance of their new single: "Ready To Start"
Cee Lo Green & Paloma Faith perform "Forget You' - and Paloma suffers a wardrobe malfunction...