Kate wore an ivory double-breasted jacket that flared at the hip and a stylish black hat for the parade, which is each year held in honour of the Queen's official birthday.
This is an elegant look that is quickly becoming synonymous with the new Royal's style – and the monochrome tones of this ensemble were the perfect choice for the ceremony, which is, as the name suggests, awash with colour all of its own.
The Duchess arrived at the event in a horse drawn carriage similar to the one she rode in on her wedding day. Today, she was accompanied by Prince Harry, the Duchess of Cornwall and the Duke of York. Her husband, Prince William, was participating in the event for the first time.