“He’s a massive Anglophile and he’ll want to impress," Camilla Tominey, a royal expert and the political editor of The Sunday Express newspaper, told NBC News. "I don’t think he’s going to want to put a foot wrong."
While there'll be no state dinner at Buckingham Palace, the president and his wife, Melania, will meet Queen Elizabeth II at Windsor Castle on Friday.
“It’s a great myth that there are lots and lots of rules and formalities" about meeting a king or queen, said Rupert Wesson, academy director at Debrett's, a British coaching and publishing company on etiquette.
Actually, he added, "there are surprisingly few.”
Indeed, the royal family’s own website says that there are “no obligatory codes of behavior when meeting the queen or a member of the royal family.”
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“People say you meet the queen,” Wesson said. “In reality, you are presented.”
This involves a royal aide announcing a guest’s name to the monarch before greetings are exchanged. As with most things related to royal protocol, this isn’t a hard and fast rule, more of a non-mandatory tradition.
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Wesson said the best way to approach sharing a meal with the queen is with “calmness, steadiness, and a little bit of delicacy.”
“There are little differences between American dining and British dining," he said. “In British dining, the fork remains in the left hand and the knife remains in the right hand, assuming you’re right-handed.”
“I think the most important thing is that you relax, you enjoy the occasion and that you’re a good guest.”
It’s a widely held belief that you should avoid touching the queen, and first ladies,prime ministers and governors general from around the world have all attracted negative attention for this perceived lapse in protocol. Michelle Obama, for example, made headlines when she appeared to embrace the queen in 2009.
The experts NBC News spoke to agreed, however, that the media reaction to stories like this have historically been overblown.
“There was a suggestion that Mrs Obama had overstepped the mark in putting her hand round the queen, but she was actually just being deferential and respectful,” Tominey said.
However, it's still wise not to be tactile with the queen, Wesson said.
“The guidelines are, you don’t touch the royal family,” he said.
The royals’ own guidelines state that shaking hands “in the usual way” is an acceptable form of greeting, should the president choose not to bow.
For all the pomp and ceremony surrounding a royal meeting, experts said the most important thing is for Trump to speak to the queen in a relaxed and open way.
“She’ll want conversation to flow freely, and I think they’ll probably find some common ground in discussing his Scottish heritage and his links to Scotland,” Tominey said.
“I think, equally, if Prince Philip is with him, then he’ll quite enjoy having a robust conversation because the Duke of Edinburgh enjoys a bit of banter and debate. That could be quite interesting.”
“You don’t have to bow and scrape and lick peoples’ boots,” Wesson said. “The queen would like to have conversations with people, find out about them and learn about the individual, as well as the affairs of state.”