Robbie Williams had a huge surprise in store for fans at his London concert on Friday night.

The Let Me Entertain You hitmaker kicked off his first night at Arsenal’s Emirates Stadium with a bang, performing to a crowd of tens of thousands.

Williams had started a rendition of Keep On Movin’ and had the crowd singing along when he suddenly interrupted himself to welcome some familiar faces to the stage.

‘I don’t remember the words to this next bit,’ said Robbie. ‘I wonder if anybody can help me out. Ladies and gentlemen the first time they’ve been seen on stage for 25 years. My mates. Five!’

The crowd went wild as all five members of the iconic boy band Five ran out onto the stage and joined in to sing their 1999 hit.

Scott Robinson, Ritchie Nevile, Jason Paul Brown, Sean Conlon and Ab

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