Dizzee Rascal has kickstarted the Shockwaves NME Awards 2008 with a surprise performance.

The NME favourite took to the stage with presenters Mathew Horne and James Corden to cheers from the assembled indie stars.

The special performance was kept top secret until the last minute.

For all the awards coverage head to NME.COM/awards now. We have exclusive picture galleries, live webcams, minute-by-minute blogs straight from the ceremony and Big Gig and video interviews with the biggest names at the ceremony.

That's just the beginning - the ceremony is being broadcast on E4 at 11pm (GMT) tonight (February 28), with highlights following tomorrow (29) on Channel 4 from 11.50pm.