The big surprise is that Kate Middleton may not wear a tiara, can you believe it?
You'd think that women in the royal family always wear bejeweled toppers, but there are exceptions, and Kate might be one of them.
But don't worry, King Charles and Queen Camilla are still bringing the bling with their historic crowns!
And, it will also be more inclusive with many religions represented, breaking tradition in a positive way.