On Monday evening, President Donald Trump and his wife Melania ended the first day of their UK visit with a state banquet at Buckingham Palace. Hosted by the Queen, the President and First Lady of the United States were welcomed into the opulent Buckingham Palace ballroom.
MORE: Take a look at President Donald Trump's first day in London
The couple were joined by four of Donald's five children, Ivanka, Tiffany, Donald Trump Jr and Eric, along with several members of the royal family. Prince Charles and the Duchess of Cornwall – who had welcomed Donald and Melania to Clarence House for tea earlier in the day – were also in attendance, as well as the Duke and Duchess of Cambridge. Other royals at the lavish event included the Countess of Wessex, Prince Edward, Prince Andrew and Princess Anne. Theresa May and US Ambassador Woody Johnson were also among the attendees. During the evening, both the Queen and the President made speeches.
READ: Duchess Kate's most stunning banquet gowns over the years
On arrival on Monday morning, Donald and Melania were officially welcomed by the Queen along with Prince Charles and Camilla in the Buckingham Palace Garden - before enjoying a lunch at the palace and a visit to the Picture Gallery, which showcased items of historical significance to the United States from the Royal collection. The President was then joined by the Duke of York for a visit to Westminster Abbey to lay a wreath at the Grave of the Unknown Warrior.
Take a look at the best photos from the evening…
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The Duchess of Cambridge wore a gorgeous white Alexander McQueen dress accompanied by stunning jewellery for the big occasion. On the night she wore the Lover's Knot tiara and the Queen Mother's Sapphire and Diamond Fringe Earrings.
Kate, pictured next to her husband Prince William, wore her hair up.
For the first time she wore her dark blue sash of the Dame Grand Cross of the Royal Victorian Order, as well as the Royal Family Order.
The Duchess of Cambridge was accompanied by United States Secretary of the Treasury, Steven Mnuchin.
Prince William accompanied Theresa May.
The Duchess of Cornwall wore a cream embroidered evening gown by Bruce Oldfield, as well as the diamond boucheron tiara, a pearl and rose topaz choker and diamond earrings.
The Queen and Donald Trump entering the Buckingham Palace ballroom, which features six glittering chandeliers and the vast white-clothed horse shoe-shaped table has been laden with George IV's silver gilt Grand Service dinner set.
Melania wore a custom made Christian Dior Spring 2019 Couture gown.
Sixteen members of the royal family are at the dinner - the Queen, the Prince of Wales, the Duchess of Cornwall, the Duke and Duchess of Cambridge, the Duke of York, the Earl and Countess of Wessex, the Princess Royal, Vice Admiral Sir Tim Laurence, the Duke and Duchess of Gloucester, the Duke of Kent, Prince and Princess Michael of Kent and Princess Alexandra.
Joining Mr Trump and First Lady Melania at the white tie and tiara event are four of Mr Trump's five children - Ivanka Trump, with her husband Jared Kushner, Donald Trump Jr, Eric Trump and his wife Lara, and Tiffany Trump.
Eric and Lara Trump posing together ahead of the State Banquet. Donald Trump's son shared the photo on Twitter, telling his followers: "Looking forward to visiting Buckingham Palace for the first time. The U.K. is a very special place (for so many reasons) and it is an honor for our family to be hosted by Her Majesty."
Lara, who is pregnant with the couple's second child, looked stunning in a Monique Lhuillier gown.
The Queen listens to Donald's speech in which he thanked Her Majesty for the "beautiful weather".
"Your Majesty, Melania and I are profoundly honoured to be your guests for this historic state visit. Thank you for your warm welcome, for this beautiful weather, your gracious hospitality, and Your Majesty's nearly seven decades of treasured friendship with the United States of America," he said.
Mr Trump also praised the courage of the British people during the Second World War and called the Queen a "great, great woman".
In her speech, the Queen spoke of the "new challenges" the US and the UK face in the 21st century, and stressed the bonds between the two countries.
The Queen also mentioned the US and UK's "strong cultural links and shared heritage" and said the two nations were "bound by the strength and breadth of our economic ties".
She continued: "Mr President, as we look to the future, I am confident that our common values and shared interests will continue to unite us.
"Tonight we celebrate an alliance that has helped to ensure the safety and prosperity of both our peoples for decades, and which I believe will endure for many years to come."
The Queen finished by inviting the room to raise a toast to the "continued friendship between our two nations, and to the health, prosperity and happiness of the people of the United States".
Foreign Secretary Jeremy Hunt and his wife Lucia arriving at the State Banquet at Buckingham Palace.
Britain's Princess Michael of Kent and BP CHairman Helge Lund.