UNITED KINGDOM - JUNE 15: The official birthday of the Queen is marked each year by a colourful military parade and march-past known as Trooping the Colour with troops from the Household Division, Queen Elizabeth ll smiling and waving from the balcony of Buckingham Palace with her husband, Prince Philip (Duke of Edinburgh), who is wearing the uniform of Colonel of the Grenadier Guards (Photo by Tim Graham Photo Library via Getty Images)
