After a quick photocall and interviews with the press, Button took several competition winners on laps around the mall in a super-charged Mercedes SL AMG.
Special guests Joss Stone and Jodie Kidd also had a go at being passengers at the event, which marked the launch of Virgin Media's 50mb broadband.
Later on in the afternoon, Button took part in a live Q&A session hosted by the BBC's David Croft.
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Virgin Media's PR agency Bray Leino brought in iblinkworld to activate the campaign, which kicked off with .
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