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US President Donald Trump has arrived at Windsor Castle to meet Queen Elizabeth II.
As part of his ongoing working visit to the UK, Trump and his wife, first lady Melania Trump, will join the monarch for tea.
Donald Trump has become the 11th President of the United States that Queen Elizabeth II has met. The only exception during her reign is that she never officially met Lyndon B. Johnson during his time in office.
Much has been made on Twitter about Donald Trump not bowing to The Queen upon meeting her. However, she does not expect people that she meets to bow to her, and the official guidelines on the royal website state that the proper etiquette - should they wish to follow it - is: 'a neck bow (from the head only) [for men] whilst women do a small curtsy'.
The guidelines continue: "Other people prefer simply to shake hands in the usual way. On presentation to The Queen, the correct formal address is 'Your Majesty' and subsequently 'Ma'am,' pronounced with a short 'a,' as in 'jam.'"
During his visit so far, he has met British Prime Minister Theresa May, the two also dined at Winston Churchill's childhood home at Blenheim Palace.
Thousands of people have also gathered in various cities around the country to protest against his visit.
Earlier today a giant Donald Trump balloon that mocked him up as a baby was flown above London's Parliament Square in protest at Trump's visit.
More protests are expected as he continues his visit, which will take him up to Scotland for a visit to his private Trump Turnberry golf course, before he leaves the UK.
Trump has also thrown his weight behind the Brexit debate, at one stage seeming to criticise Theresa May's plans to remove Britain from the EU saying that he would have done it differently.
He also seemed to suggest that any so-called 'soft Brexit' would make a trade deal with the United States less likely.
However, the interview in which some of these claims were published was in the Sun newspaper, published overnight. The President today refuted those claims and said that they were 'fake news'.
He then told a press conference: "I don't know what you're going to do [about Brexit], but whatever you do is OK with us.
"Just make sure you can trade with us, that's all that matters.
"I read reports where that won't be possible, but I believe after speaking with the prime minister's people and representatives and trade experts it will absolutely be possible."
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