During Trooping the Colour, Kate Middleton donned a turquoise Catherine Walker coat dress and a pair of earrings inherited from Queen Elizabeth II. The Bahrain Pearl Drop Earrings were a wedding present in 1947 and have a unique design with round diamond studs and Bahrain pearls. Princess Diana also wore these earrings frequently, pairing them with the Queen Mary's Lover's Knot Tiara.

Trooping The Colour is a ceremonial parade that marks the official birthday of the British Monarch. The event includes over 1,400 soldiers, 200 horses, and 400 musicians from various bands and Corps of Drums.

Accompanied by her children Prince George, Princess Charlotte, and Prince Louis, Kate Middleton joined the procession from Buckingham Palace to Horse Guards Parade. Prince William, as Colonel of the Welsh Guards, also participated in the parade.

At Horse Guards Parade, Kate Middleton and Queen Camilla observed the military precision display from beneath a canopy. The event is a grand celebration of the British Monarch's birthday, showcasing the country's military prowess.