The Duke And Duchess Of Cambridge Attend The Irish Guards St Patrick's Day Parade

HOUNSLOW, ENGLAND - MARCH 17: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge (not pictured) attend the 1st Battalion Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2019 in Hounslow, England. (Photo by Gareth Fuller - WPA Pool/Getty Images)