Dizzee Rascal brought an extra treat for his fans last night during his set at the Radio One Big Weekend.

Between a set of old favourites and cuts from his latest album, Rascal announced to the crowd: "I didn't want to come empty handed today - so I brought along a friend of mine, Robbie Williams."

The crowd went wild as the ‘Angels’ singer took to the stage to join the rapper on their new collaborative track ‘Goin’ Crazy’ – the first single from Rascal’s new album ‘The Fifth’. The performance marks the very first time the duo have played the tune live.

Other performances of the night included Rita Ora, Calvin Harris and Rudimental, who all scraped in under the wire after being left stranded at Heathrow airport following a fire on a BA flight. The same delays prevented Aluna George and Angel Haze from making it to the gig on time, causing them to miss their sets.

Check out Robbie Williams and Dizzee Rascal performing ‘Going Crazy’ below: