ZingB

Every groom needs a best man at their wedding to tell an entire room of guests about their embarrassing holiday stories, to offer them a shoulder to cry on in the dressing room should they suffer pre-nuptials fears, and to keep peace among guests who've had one too many complimentary glasses of champagne. And who better than a celeb to do the honours?

Whether it be Becks in 2003 for his best mate, when Prince Harry did the duties for Wills, when Harry Styles stepped in for his stepfather, or when Hugh Jackman did it for his personal trainer.

It's no easy gig, but these celebs were up to the challenge...

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