People spot King Charles’ reaction to Donald Trump’s subtle dig at Prince Harry during rare state dinner

Royal family fans are convinced that Donald Trump made a subtle jab at Prince Harry during the regal state banquet at Windsor Castle last night (Wednesday 17 September).

The American president, 79, and First Lady Melania Trump, 55, are in the UK amid their two-day long state visit, which they're spending mostly with King Charles III and Queen Camilla.

Prince William and Kate Middleton have also been present for the ongoing festivities, including last night's white tie event, which saw the group get dressed up to the nines.

During the dinner, Trump, who was seated next to the princess, got the chance to address the 160 guests in St George’s Hall with a speech.

He began by praising America's 'special' relationship with the UK, as he told the attendees: "Seen from American eyes, the word special does not begin to do it justice.

"We’re joined by history and faith, by love and language and by transcendent ties of culture, tradition, ancestry and destiny. We’re like two notes in one chord or two verses of the same poem, each beautiful on its own, but really meant to be played together.

“The bond of kinship and identity between America and the United Kingdom is priceless and eternal.”

And the praise continued, as the world leader added that his second state visit to the UK is 'one of the highest honours' of his life, adding that he has 'such respect for the country'.

He then went on to throw some compliments in the Prince of Wales' direction, also applauding the King for the way he 'raised him'.

Trump told the guests: “His Majesty has also raised a remarkable son in His Royal Highness, the Prince of Wales. Really amazing.

“We’ve gotten to know you and I think you’re going to have an unbelievable success in future."

However, some royal fans have taken this to be a dig at Prince Harry as he left the Duke of Sussex out from his speech entirely.

And people think the King isn't too happy about it, as his smile appears to drop when the president said the comment in question.

Underneath a clip of the moment, Instagram users wrote: "The King was uncomfortable there" and "The King’s poker face is wavering."

The speech paid compliments towards both Prince William and Kate Middleton (Andrew Caballero-Reynolds-WPA Pool/Getty Images)

While a third added: "What about Harry?" and a fourth penned: "I don't think Charles looks very impressed. His smile drops."

And another agreed: "Do your homework trump!! FML the king has 2 sons!!"

Trump also had some words for Kate, who announced at the start of the year that she was in remission from cancer.

In his banquet speech,Trump described her as 'so radiant and so healthy and so beautiful'.

He added: “Melania and I are delighted to visit again with Prince William and to see Her Royal Highness, Princess Catherine, so radiant and so healthy, and so beautiful. It’s really a great honour, thank you.”