President Trump was greeted by the King and Queen as well as other senior royals at Windsor Castle.
It is his second state visit to the UK and is accompanied by the usual pomp and pageantry.
The Trumps, the King, Queen, and Prince and Princess of Wales participated in a ceremonial greeting, emphasizing the historic bonds between the nations.
The visit includes a carriage procession, which has traditionally been a highlight of state visits, showcasing the pageantry of the British royal family.
As the royal family welcomed the Trumps, members of the public gathered to witness the occasion, signaling the ongoing interest in the relationship between the UK and the USA.