It should come as no surprise that both Duchess of Cambridge and the Duchess of Sussex turned to their most-trusted designers for outfits to wear to Trooping the Colour [1]. The military parade and RAF flypast is a highlight of the royal calendar, celebrating the queen's official birthday, and such events call for a very appropriate outfit. Who better to call on than the fashion house you trusted on your wedding day [2]?

Just as Meghan Markle chose Givenchy for her look [3], Kate entrusted Alexander McQueen to dress her for the carriage ride. The duchess wore a summery pale yellow look that included her trademark: a coat dress. She topped the look with a dramatic hat by the milliner Philip Treacy, which featured large blooms under the tilted brim. On a dull and overcast London day, she was a ray of sunshine. Keep reading to take a closer look at this joyful royal style.