The Wanted Hook Up With Justin Bieber At Westfield

8 November 2011, 09:51 | Updated: 8 November 2011, 09:56

Max, Jay, Nathan, Siva and Tom joined Justin as he switched on Christmas lights.

The Wanted joined Justin Bieber as he turned the Christmas lights on at the Westfield shopping centres in London last night (7th November).

The 17-year-old singer switched on the festive decorations at both malls in Shepherd's Bush and Stratford.

Thousands of fans had descended on the venues to see Justin, who also performed songs from his new Christmas album 'Under The Mistletoe'.

The Wanted joined Justin on stage, with Nathan telling fans on Twitter: "Just went on stage with @justinbieber at westfield!!!"

The band also posted a picture of themselves on stage with Justin - check it out below.

Justin later gave a shout out to the band on Twitter: "had my boys @thewantedmusic surprise the crowd 2nite. FOLLOW @jaythewanted @maxthewanted @nathanthewanted @sivathewanted @tomthewanted <-- pleasure was all ours bro. See you soon."

The Wanted joined Justin on the same day that their new album 'Battleground' was released.

Justin Bieber and The Wanted Twitter