I'm The One DJ Khaled feat. Justin Bieber Download 'I'm The One' on iTunes
One Direction and JLS team up on The X Factor, Jessie J performs in London and Coldplay play the O2 Arena in this weekend's gig round up.
One Direction and JLS perform together for the first time on The X Factor. Picture: Rex Features
Jessie J performing during T4's Stars of 2011 event at Earls Court in London.
The Wanted drive fans crazy as they take to the stage during T4's Stars of 2011 event in London.
Leona Lewis performs a cover of Nine Inch Nails' 'Hurt' on The X Factor. Picture: Rex Features
Pixie Lott shows the audience why she's such a huge star as she performs at Earls Court in London.
JLS perform on the X Factor. The band delighted fans with a mash-up of their hit 'She Makes Me Wanna' and One Direction's What Makes You Beautiful'. Picture: Rex Features
Emeli Sande supports Coldplay during their first of two gigs at The O2 Arena in London.
Ed Sheeran performing during T4's Stars of 2011 event at London's Earls Court.
Professor Green takes to the stage at T4's Stars of 2011 event in London.
Rizzle Kicks perform their smash hit 'Down With The Trumpets' at Earls Court in London.
Chris Martin of Coldplay performing at Under One Roof, a charity concert in aid of the Kids Company, at London's O2 Arena.
Dappy Contostavlos performing at London's Earls Court.
Lady Gaga performs on stage during a radio event in the US.
One Direction perform on The X Factor. Picture: Rex Features
Wretch 32 and Ed Sheeran duet together at a gig in London.
Cher Lloyd performing her hit single 'With Ur Love' at Earls Court in London.
Matt Cardle perfroms on the X Factor
Rihanna performs on stage at the PalaOlimpico. Italy.