London (CNN) When America's first couple sit down to the lavish state banquet in Buckingham Palace on Monday evening, they will be treated to an exquisite menu that was six months in the planning, and a table that took royal staff three days to set.

Around 170 guests are expected at the dinner personally overseen by Queen Elizabeth II , in what will be a highlight of US President Donald Trump's first state visit to Great Britain.

The royal banquet is a defining feature of a UK state visit, with the Queen personally inspecting every last detail of the opulent affair -- from elaborate flower arrangements down to tablecloths folded in the shape of a Dutch bonnet -- according to a detailed report from Britain's Press Association (PA) news agency.

Members of Spain's royal family were the guests of honor at a Buckingham Palace state banquet in 2017.

The dinner will take place on a horseshoe-shaped table in the palace's ballroom, with the Queen and Trump seated at its head, flanked by First Lady Melania, heir to the throne Prince Charles and his wife Camilla, Duchess of Cornwall.

While the menu is yet to be revealed, it will be served on historic dinner sets with six drinking glasses, for water, a champagne toast, red and white wines, a dessert wine and port, reported PA.

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