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N-Dubz have headlined this year's 91�ȱ� Radio 1Xtra Live at London's Wembley Arena.

Around 12,000 fans who applied for free tickets also saw performances from UK artists Tinie Tempah, Tinchy Stryder and Labrinth at the third annual event (25 September).

US talent such as B.o.B, Jason Derulo and surprise guest Cee-Lo Green also performed.

N-Dubz's Fazer said: "It's great that there is some up and coming artists performing. It's a good look for the UK. It means the world to us."

WATCH: Video highlights from 91�ȱ� 1Xtra Live

'Childhood dream'

The north London trio rounded off the evening with a half-hour long set which included tracks like I Need You and Number 1.

Speaking to 91�ȱ� Radio 1Xtra news singer Tulisa Contostavlos added: "All the acts when I was growing up were at Wembley - it's a childhood dream to play here."

Earlier in the evening Tinie Tempah played an energetic set which took in his current single Written In The Stars, Frisky and previous UK number one Pass Out.

After coming off stage he said: "It was incredible. I knew it was going to be. I've been to the previous two and I know how it goes down.

"It's nice to see British music doing so well - all contained. We all know each other and we all get along with each other."

He also joined Tinchy Stryder, Professor Green and Devlin on stage together during Stryder's set.

Cee-Lo Green was a 'special guest' performer on the evening - he took to the stage to play a set which included his current single Forget You.

Now in its third year 91�ȱ� Radio 1Xtra Live has previously visited Sheffield and Coventry.