The Princess of Wales donned an Alexander McQueen dress with silver bullion and thread work embroidery, paired with a complementing headpiece.
Kate wore pearl and diamond earrings that belonged to Princess Diana and the George VI Festoon Necklace made in 1950 for Princess Elizabeth.
The Princess of Wales also had formal robes and mantels for the ceremony.
According to Bethan Holt, a fashion director, Kate's attire was her "power moment," easing into her role as the Princess of Wales beautifully.
Kate's promotion to the Princess of Wales role was significant, and she dressed accordingly.