Ahead of her 90th birthday on 21 April, Queen Elizabeth had a round of engagements at Windsor with Prince Phillip
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Queen Elizabeth II is presented with flowers as she leaves the Queen Elizabeth II delivery office in Windsor on 20 April in Windsor, Britain. The visit marks the 500th Anniversary of the Royal Mail delivery service. The Queen and Duke of Edinburgh are carrying out engagements in Windsor ahead of the Queen’s 90th Birthday on 21 April. Reuters
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While the Queen’s birthday is on 21 April, the official celebrations will be held between 12-15 May at the Windsor Palace grounds. Reuters
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Queen Elizabeth II holding a bouquet of flowers as Captain G Curteis, Deputy Master of Trinity House, introduces her to the Yeoman of the Guard as they tour the rebuilt Trinity House on Tower Hill, 21 October 1953. Reg Speller/Fox Photos/Getty Images
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Queen Elizabeth II and Prince Philip, Duke of Edinburgh at the Queen Elizabeth II delivery office in Windsor at the 500th Anniversary of the Royal Mail delivery service. Reuters
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Queen Elizabeth II meets Britain’s longest serving postman Bob Hartley. Reuters
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Queen Elizabeth officially opens the new bandstand at Alexandra Gardens in Windsor, west of London, Britain, on 20 April 2016. Reuters
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Queen Elizabeth and Prince Philip officially open the new bandstand at Alexandra Gardens. Reuters
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Queen Elizabeth officially opens the new bandstand at Alexandra Gardens. Reuters
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Informal portrait of Prince Charles and his mother, Queen Elizabeth II, in the grounds of Windsor Castle, April 1969. Central Press/Hulton Archive/Getty Images

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