Princess Beatrice and Edoardo Mapelli Mozzi's royal wedding is set to take place at the end of May, at St. James's Palace in the Chapel Royal, before the reception at Buckingham Palace. 

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Now "Bea" and "Edo" have just made history by revealing who Edoardo's best man will be. Here's a hint: we're talking about the youngest best man in the history of royal weddings!

Princess Beatrice and Edoardo Mapelli's wedding: Who will be the best man?

Hello magazine reported that Edoardo's son will be the best man on their wedding day, according to royal sources! Little Christopher, who is three years old and goes by the nickname of "Wolfie," would be the youngest best man in the history of royal weddings!

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The royal couple made the decision of going with Edoardo's son, because they reportedly want him to know how important he is to Beatrice and the rest of the royal family, including - of course - Her Majesty.

Property tycoon Edoardo Mapelli shares his son Christopher with former girlfriend Dara Huang, who is an American architect and designer. They broke up in 2018 and she now splits her time between London and Hong Kong as they have joint custody of Christopher.