ADRIAN DENNIS/AFP via Getty Kate Middleton at the Irish Guards' St. Patrick's Day Parade on March 17, 2023. Can't get enough of PEOPLE's Royals coverage?

Princess Kate paid tribute to the Irish Guards by pinning on the unit's regimental brooch for the Trooping celebrations on Saturday, a key event on the royal family's calendar.

He was also tasked with looking over the parade and to evaluate the troops ahead of the parade. Charles’ wife, Camilla, the Queen Consort, will become the Colonel, Grenadier Guards.

The Princess of Wales and Princess Charlotte had a stylish mother-daughter moment at the King's birthday parade. The 10 year old also wore a special accessory that was given to her by Queen Elizabeth.

On June 14, the Princess of Wales, 43, joined her father-in-law the King and Queen Camilla to appear on the dais at Horse Guards Parade at Trooping the Colour.

Princess Kate paid tribute to the Irish Guards by pinning on the unit's regimental brooch for the Trooping celebrations on Saturday, a key event on the royal family's calendar.