The King’s annual birthday celebrations, which take place every year in June in hopes of sunny weather, have several consistent elements: royal women in beautiful coats and hats, a military parade, a carriage procession, and lots and lots of horses. This must be inconvenient for Princess Kate, who has a reported allergy to horses and has occasionally avoided events where they’re present. At Trooping the Colour, Princess Kate seemed to confirm the long-standing rumored allergy.