Duchess Catherine dazzles in her favourite tiara for glitzy state banquet with President Trump

Just when you thought Duchess Catherine had reached peak tiara potential, she steps out in this.

As she arrived at a state banquet dinner held at Buckingham Palace for President Trump’s visit to the UK, the Duchess looked incredible in a long white Alexander McQueen gown paired with her favourite tiara.

But there was an extra detail to her outfit that you might have missed, and it’s made it all the more special.

As she arrived at Buckingham Palace by car, all eyes were on the Duchess as we caught a glimpse of her perfectly primped up-do and her favourite Cambridge Lovers Knot tiara, which has been famously associated with Princess Diana.

Kate was last seen wearing the incredible and historic piece last October when she attended another state banquet for King Willem-Alexander and Queen Maxima of the Netherlands.

This time around, Kate also wore a stunning set of blue sapphire earrings, which belonged to the Queen’s mother – the perfect tribute to her royal family!

And those weren’t the only special accessories Kate wore – she also donned a blue, red and white sash of the Victorian order – the special sash is a mark of honour gifted to her by the Queen for her eighth wedding anniversary, and this was the first time we’ve seen Kate wear it.

The glitzy event itself was held for President Trump’s visit to the UK, where he is joined by his wife First Lady Melania Trump.

The Queen, Camilla, Duchess of Cornwall, Prince Charles and of course, Kate’s husband Prince William also attended the event.

WATCH: Royals arrive at Buckingham Palace for state banquet with President Trump. Story continues after video…

Inside the banquet, the horseshoe-shaped table was pink-themed with floral arrangements, set out for 171 guests.

Along with the royals, Trump’s children Ivanka Trump, Donald Trump Jr., Eric Trump and Tiffany Trump were in attendance.

Sitting next to Ivanka was Sophie, Countess of Wessex, while her husband Jared Kushner was seated with Princess Anne.

Other dignitaries included British Prime Minister Teresa May, as well as well as Lord Mayor of London, Peter Estlin.

Trump arrived in the UK earlier on Monday where he was greeted by Prince Charles and Camilla after exiting his private helicopter.

And while the visit itself was always expected to be controversial, with many protests against the President planned for the duration of his stay, even Trump has stirred the pot himself.

Before he headed to Buckingham Palace, the US leader wrote on Twitter: “Just arrived in the United Kingdom. The only problem is that @CNN is the primary source of news available from the U.S. After watching it for a short while, I turned it off. All negative & so much Fake News, very bad for U.S. Big ratings drop. Why doesn’t owner @ATT do something?”

Despite this, the royals have put on an amicable display thus far, with the Queen sharing some rousing words in her speech at the banquet: “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.”

Later on, Trump made his way to Westminster Abbey along with his wife and children.

There, they took in the sights and laid a wreath on the Grave of the Unknown Warrior.

Prince Andrew was also in attendance.

Later in the afternoon, Trump was hosted again by Prince Charles and Camilla as he attended an afternoon tea at Clarence House – how very quaint!

The president has a number of other engagements over the next two days, much of which will involve members of the royal family – stay tuned!