Everything You Need to Know About Royal Weddings, From A to Z!

The royal family are VERY good at thank-you notes, and when it comes to a wedding, guests will afterward receive a polite note along with a slice of wedding cake in a commemorative tin. In the instance of William and Kate, the thank-yous came from Prince Charles and Camilla, Duchess of Cornwall — and it will be the same for Harry and Meghan.