And boy, did his dad set an example to follow.

As a child, Prince William was a young attendant in the weddings of his uncle Prince Andrew and Sarah Ferguson and family friends Camilla Dunne and Rupert Soames. Prince Harry also got in on the action, which included sailor suits, pink suspenders and one very ruffly lapel:

PA Images Prince William, 3, yawns during the wedding ceremony of Sarah Ferguson and the Duke of York on July 23, 1986. Anwar Hussein via Getty Images Prince William (R) peeks over at his brother Harry from his seat in Westminster Abbey. Anwar Hussein via Getty Images Prince William (R) stands on the balcony of Buckingham Palace at the wedding of Sarah Ferguson and Prince Andrew. Tim Graham via Getty Images Prince William plays with Lady Davina Windsor. Anwar Hussein via Getty Images Prince William rides in a carriage with Prince Edward after the wedding of Prince Andrew and Sarah Ferguson. Tim Graham via Getty Images Prince William serves as a page boy at the society wedding of Camilla Dunne to Rupert Soames, a grandson of Winston Churchill. Tim Graham via Getty Images Prince William accompanies a young bridesmaid to the 1988 wedding in Hereford Cathedral. Tim Graham via Getty Images Prince William holds hands with a young bridesmaid. Anwar Hussein via Getty Images Princess Diana leads Prince William along as he waves to onlookers. Tim Graham via Getty Images Prince Harry poses as a page boy in the wedding of his uncle Charles Spencer to Victoria Lockwood in 1989. Anwar Hussein via Getty Images Prince Harry appeared in the wedding alongside his cousins Eleanor and Alexander Fellowes.

There’s no word yet on what Prince George will wear when he follows in his dad’s footsteps this weekend, nor what two-year-old Princess Charlotte will wear in her role as a little bridesmaid.