Kate and William, both 43, put on dashing displays as they welcomed Donald and Melania Trump for a State Banquet at Windsor Castle alongside other senior members of the Royal Family.
An office employee has detailed the moment she was so furious after discovering a colleague had secretly eaten her lunch that she penned a threatening note.
Robert Hardman, who has written a selection of royal biographies including Charles III: The Inside Story and Queen: The Life of Elizabeth II, has spoken exclusively to the Palace Confidential newsletter.
LIVE UPDATES: Follow the latest developments on the final day of Donald Trump's state visit to the UK as the US President heads to Chequers where he will be hosted by Keir Starmer.