Almost half of Britons think Ant and Dec are the ''most fun'' celebrities.
A whopping 41 per cent of people agreed that 'Britain's Got Talent' hosts Anthony McPartlin and Declan Donnelly are the celebrities who appear to have the most fun, while a third of those quizzed by Wall's Ice Cream's 'Goodbye Serious, Hello Joy' campaign felt that 'The Apprentice' boss Lord Alan Sugar needed to lighten up and a further seventeen per cent thought that media mogul Simon Cowell could do to crack a smile more often.
Meanwhile, thirty five percent of Britons believe they spend more than 80 per cent of their day being serious - like the famous businessmen - because they're too busy worrying about their jobs, finances and commuting.
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