The King and Queen joined the Prince and Princess of Wales on Wednesday as they welcomed US President Donald Trump and his wife, Melania, at Windsor. While there were many moments of significance, there may be one candid interaction you may have missed.

Shortly after the US couple touched down, they were escorted by William and Kate to greet Charles and Camilla. In the video above, the Queen can be seen nudging Kate, who then takes her position at the end of the line.

© Getty Images The moment happened shorly after Donald and Melania arrived

Ceremonial welcome

Donald and Melania had the full pomp and ceremony of the military upon their arrival, the couple being treated to a performance of the UK and US national anthem.

HELLO!'s Royal Editor, Emily Nash, who is on the ground

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