If there's one sentence I never thought I'd type, it is; "Prince Harry danced on stage with Basement Jaxx dressed as a monkey."

According to various moles who were backstage at the O2 Wireless festival in London's Hyde Park, Prince Harry was a permanent fixture at the side of the stage, getting stuck in to the festivities (and the beers) and generally being an ace bloke, chatting to all and sundry.

However, on Saturday night Harry decided to take it a step further, and didn't hesitate when invited to join Basement Jaxx on stage during 'Where's Your Head At?', donning a monkey costume to keep his identity secret.

According to an eyewitness the backstage area was crawling with Royal Protection Officers, none too pleased at Harry's shape-throwing, which was very much a last minute decision!

Were you there? Do you have any pictures or video footage of this? Get in touch and let us know ASAP!