Prince Harry and Meghan Markle Were the Only Working Members of the Royal Family to Skip the State Banquet

Both Queen Elizabeth and President Trump gave speeches ahead of the dinner, and in her address, the British monarch spoke of the “longstanding friendship” between the U.K. and the U.S.

Here, Camilla poses alongside her husband Prince Charles, the Queen, and the U.S. President and First Lady for an official photograph ahead of the state banquet. For the formal event, the Duchess wore a cream-colored dress by Bruce Oldfield, which she paired with a diamond boucheron tiara, and her vibrant blue sash, which symbolizes the Royal Victorian Order.

Kate was paired up to walk with U.S. Treasury Secretary Steven Mnuchin during the procession in to the ballroom. For the Duchess, tonight marked the public debut of her blue sash, a piece of regalia which indicates her recent appointment to the Royal Victorian Order.

Four out of Donald Trump's five children were in attendance at the state dinner. Here, Princess Anne walks alongside Ivanka Trump's husband Jared Kushner. They would also go on to sit next to each other during the banquet.

While Princess Anne was matched with Jared Kushner, her husband Vice Admiral Timothy Laurence walked in alongside Britain's Leader of the House of Lords Baroness Natalie Evans.

The Duke of York has played a significant role in the U.S. President's visit thus far. In addition to attending the state banquet, he also accompanied Trump and several of his family members on their tour of Westminster Abbey on Monday. Here he is alongside Dame Vivian Hunt, a business leader who holds dual British and American citizenship.

All four of the Queen's children were there last night. Here is her youngest, Prince Edward, with Mrs Hammond, about to enter the ballroom.

The tiaras were out in full force last night at Buckingham Palace, with Sophie's sparkling topper among them. Here is the Queen's daughter-in-law with Britain's Minister for the Cabinet Office and Chancellor of the Duchy of Lancaster, David Lidington.

This photo shows the Duke and Duchess of Gloucester, photographed in their car as they arrived at Buckingham Palace for last night's event. Going in to the ballroom, the Duke of Gloucester was paired with Ms Emma Walmsley, and the Duchess walked alongside Lord Great Chamberlain, David Cholmondeley.

The Queen's cousin Princess Alexandra is seen here with former Foreign Minister William Hague.

The Duke of Kent accompanied counselor to the U.S. President, Kellyanne Conway in to the dinner.

While the Kents are not technically working royals, they're included on this list to illustrate the total number of Queen Elizabeth's relatives who were in attendance for the U.S. state visit. Here they are arriving at Buckingham Palace for the event.