We know it's at Windsor Castle next spring, reportedly in May, and we know it will be televised. And now we know two tiny additions will make it a lot more adorable too. It's reported that Prince George and Princess Charlotte will be pageboy and bridesmaid in their uncle's wedding, roles they are both experienced in after shining at their aunt Pippa Middleton's nuptials earlier this year.
According to the Sunday Times, Prince Wililam and Kate Middleton's children will play a key role in the big day, although it's unclear whether their newborn will be in attendance as Kate is due to give birth in April, just weeks before the wedding.
"The wedding will be a family event. You can expect the family to be involved," a palace spokesperson told the paper.
As is royal tradition, bridesmaid roles are filled by younger members of family and close friends - remember when Kate had xxxx in her bridal party? That does leave a vacancy for maid of honour, but it's unclear who will fill those shoes just yet, with royal insiders saying the duchess isn't a contender as she "barely knows" Meghan.
"She is the future queen consort when William becomes king after his father, and would unlikely be an attending person to another royal bride," royal expert Marlene Koenig told Harper’s Bazaar.
As for Harry, his brother is expected to fill the role of best man after he broke royal protocol by appointing Harry in the position for his 2010 wedding. Traditionally, royals don't have a 'best man', but instead a 'supporter'.