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9 June 2012, 19:39
The 'Power' makes an unexpected turn to perform 'Power' at Wembley Stadium.
Dizzee Rascal made the Summertime Ball 2012 a day the 80,000 lucky fans wouldn't forget as he made his very secret entrance on stage at Wembley Stadium.
The stunned fans at went absolutely crazy at the sight of the east London rapper as he strolled on stage in a black t-shirt and jeans.
He wasn't supposed to be on the bill, but that didn't stop Dizzee showcasing 'The Power', the brand new single he appears on by DJ Fresh.
The 'Dance Wiv Me' rapper sent the audience wild with his storming single-song set.
Dizzee's collaboration with DJ Fresh comes just months after the DJ topped the charts with 'Hot Right Now', which featured Rita Ora.
The 'RIP' star also sang an amazing rendition of 'Hot Right Now' just moments before Dizzee took to the stage.
Katy Perry, Justin Bieber and The Wanted are all still to come on this special day of pop music.
Capital FM is coming live from the Summertime Ball at London's Wembley Stadium on 9th June.
Keep your eye on the ball by heading to our Summertime Ball area for all the latest news, photo galleries and interviews from this year's event.
Don't forget that you can also follow the action as it happens by following Capital FM on Twitter and liking us on Facebook .