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Throwing his jacket and tie aside, host Keith Kaz was the life and soul of the party as he cavorted with belly dancers and took Yvette Cooper for a spin on the dance floor.

Ms Cooper, giving hubby Ed Balls a run for his money, was later seen leading the crowd dancing Gangam Style.

Not to be outdone, Mr Vaz threw himself into a great display of ‘dad dancing’ with such gusto that he needed a fan to cool himself down.

Jeremy Corbyn was presented as the guest of honour by Vaz to chants of “Oh, Jeremy Corbyn” from the audience.