Donald Trump will meet King Charles at Windsor Castle this afternoon after arriving in the UK on Tuesday evening.
Queen Camilla’s attendance at the event hangs in the balance after she was forced to pull out of the Duchess of Kent’s funeral service due to a health condition.
Buckingham Palace confirmed that the Queen is recovering from acute sinusitis and missed the funeral at Westminster Cathedral in order to rest ahead of President Trump’s State Visit.
The US President will travel to the royal residence and be greeted by Princess Kate and Prince William before being formally welcomed by the King.
The President of the US, the First Lady, King Charles, Queen Camilla, Prince William, and Princess Kate will then participate in a carriage procession through the Windsor estate, escorted by the Household Cavalry Mounted Regiment.
Donald and Melania Trump will then join the King and Queen on the dais before the President, accompanied by King Charles, inspects the Guard of Honour.
After lunch, President Trump will visit St George’s Chapel to privately pay his respects to Queen Elizabeth II and lay a wreath on her tomb.
King Charles will host the traditional white tie state banquet this evening, during which both the monarch and President Trump will deliver speeches.
Follow the blog for live updates on the State Visit throughout today...
President Trump to receive 'rare privileges' during State Visit
A royal insider has claimed that the scale of the programme for Donald Trump's State Visit will a "rare privilege" for a Head of State.
Sources close to the planning of the three-day visit have described it as "big and bold".
In total, around 120 horses and 1,300 members of the British military will be involved in the ceremonial welcome at Windsor Castle.
This includes 160 personnel from the Royal Marines and Royal Navy, 1,000 from the British Army and 140 from the Royal Air Force.
Up to 200 musicians are also set to involved in the ceremonial welcome.
Donald Trump hails 'elegant' King Charles as he discusses their friendship
The President of the US told reporters that he had been friends with King Charles and Queen Camilla for a long time.
|GETTY
Donald Trump was full of praise for King Charles after arriving in the UK on Tuesday evening.
The President of the US told reporters that he had been friends with King Charles and Queen Camilla for a long time.
President Trump added that Charles was an "elegant gentlemen" and doing a good job in the role of monarch.
He said: "They're friends of mine for a long time, since before he was King and it's an honour to have him as King.
"I think he represents the country so well. He's such an elegant gentleman."
Buckingham Palace's statement on Queen Camilla's health
The Queen is scheduled to play a major role in the State Visit if she is able to recover from acute sinusitis.
However, she was forced to pull out of the Duchess of Kent's funeral on Tuesday afternoon, less than 24 hours before the planned meeting with the President of the US.
Buckingham Palace said in a statement released yesterday: "With great regret, Her Majesty The Queen has withdrawn from attendance at this afternoon’s Requiem Mass for The Duchess of Kent as she is recovering from acute sinusitis.
"Her thoughts and prayers will be with The Duke of Kent and all the family."
The Duke of Kent was informed of Camilla’s decision to miss the Duchess of Kent's funeral and sent his best wishes for a speedy recovery.
The Princess of Wales's significant involvement in the State Visit labelled an "honour"
The Princess of Wales will take part in the carriage procession and State Banquet on Wednesday.
|GETTY
Princess Kate's significant involvement in the State Visit has been hailed by a source close to President Trump's team.
The Princess of Wales will take part in the carriage procession and State Banquet on Wednesday.
The royal will then team up with the First Lady of the United States on Thursday to carry out a royal engagement.
Kate and Melania will meet Chief Scout Dwayne Fields at Frogmore Gardens, where they will be introduced to members of the Scouts’ Squirrels programme who are working towards their Go Wild nature badge.
A source said regarding the Princess of Wales's role: "The inclusion of Princess Kate in so many events during the State Visit is an honour."
Arrests in Windsor after Donald Trump's arrival sparks protests
Four people have been arrested on suspicion of malicious communications following a "public stunt in Windsor".
Several images and clips of Donald Trump and Jeffrey Epstein were projected by protesters onto Windsor Castle as the President landed in the UK for his State Visit.
Thames Valley Police said they are being held in custody.
Meanwhile, a separate incident saw two protesters from the activist group Fossil Free London escorted out of a dinner in Windsor - though they were not arrested.