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President Donald Trump and First Lady Melania Trump were welcomed by King Charles and Queen Camilla for an official state visit on Wednesday
While greeting the monarchs, the couple shook hands with the King and Queen rather than curtsying or bowing
The royal family's official website states that there are no "obligatory" greetings when meeting members of the royal family, however, it goes on to say that "many people wish to observe the traditional forms"
King Charles and Queen Camilla have officially welcomed President Donald Trump and first lady Melania Trump to their second state visit to the U.K.
The Trumps were received by Kate Middleton and Prince William after their helicopter, Marine One, landed on the grounds of Windsor Castle on Wednesday,