Royal Family's weirdest rules â from keeping coats on to no sleep until Queen's in bed From not wearing tiaras during the day, to carrying a black outfit, to not taking your coat off, these are the strangest rules the royals are forced to obey 13:39, 22 MAY 2021 Updated Royals have to follow strict rules (Image: POOL/AFP via Getty Images) The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxInvalid EmailSomething went wrong, please try again later. Sign up today! When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice.