LONDON, UNITED KINGDOM - JUNE 09: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex travel down The Mall in a horse drawn carriage during Trooping The Colour 2018 on June 9, 2018 in London, England. The annual ceremony involving over 1400 guardsmen and cavalry, is believed to have first been performed during the reign of King Charles II. The parade marks the official birthday of the Sovereign, even though the Queen's actual birthday is on April 21st. (Photo by Max Mumby/Indigo/Getty Images)