Popsugar Fashion Celebrity Fashion Kate Middleton Yellow Outfit at Trooping the Colour 2019 Kate Middleton's Yellow Outfit Added Some Much-Needed Sunshine to Trooping the Colour 8 June 2019 by Gemma Cartwright Image Source: Getty / Samir Hussein 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. The military parade and RAF fly-past 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? Just as Meghan Markle chose Givenchy for her look, 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. Image Source: Getty / Neil Mockford 1 / 16 Image Source: Getty / Peter Summers 2 / 16 Image Source: Getty / Samir Hussein 3 / 16 Image Source: Getty / Neil Mockford 4 / 16 Image Source: Getty / Samir Hussein 5 / 16 Image Source: Getty / Samir Hussein 6 / 16 Image Source: Getty / Samir Hussein 7 / 16 Image Source: Getty / Neil Mockford 8 / 16 Image Source: Getty / Karwai Tang 9 / 16 Image Source: Getty / Peter Summers 10 / 16 Image Source: Getty / Samir Hussein 11 / 16 Image Source: Getty / Neil Mockford 12 / 16 Image Source: Getty / Karwai Tang 13 / 16 Image Source: Getty / Neil Mockford 14 / 16 Image Source: Getty / Karwai Tang 15 / 16 Image Source: Getty / Neil Mockford 16 / 16 Celebrity FashionThe RoyalsThe British RoyalsPhilip TreacyAlexander McQueenHatsKate Middleton