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A Guard of Honour, formed of the Coldstream Guards, will give a Royal Salute and the US national anthem will be played.
The Queen and Mr Trump will inspect the Guard of Honour before watching the military march past.
Since the Queen came to the throne in 1952, 13 US presidents have been elected, and Elizabeth has met all of them except Lyndon B. Johnson and, so far, Donald Trump.
Her Majesty has received three other US Presidents at Windsor Castle since the 1980s – Barack Obama in 2016, George W Bush in 2008 and Ronald Reagan in 1982.
View the gallery to see Queen Elizabeth II meeting with every US president since Her Majesty began her reign (except Lyndon B. Johnson).
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