Britain's King Charles III (C) and US President Donald Trump (R) talk with a Coldstream Guardsman as they inspect the guard of honour during a ceremonial welcome in the Quadrangle at Windsor Castle, in Windsor, on September 17, 2025, during the US president's second State Visit.
The prospect of a visit to the castle has seemed to enchant Trump, who ditched his trademark bluster and described the invitation as “a great, great honor.”