The royals definitely aren't strangers to following rules. Members of the monarchy are expected to follow traditions, guidelines and protocols every single day. There's a specific royal etiquette when it comes to how royal woman should walk down stairs, and when the late Queen was the sovereign she had a very important dinner rule for guests.
While the Prince and Princess of Wales have often ripped up the royal rule book, be it with their reluctance to travel separately or Kate's decision to go against traditional parenting techniques that were historically used within the Palace.
