PARIS, FRANCE - MARCH 18: Catherine, Duchess of Cambridge, belt detail, visits the Invalides on March 18, 2017 in Paris, France. The Duke and Duchess are on a two day tour of France. (Photo by Pool/Samir Hussein/WireImage)
PARIS, FRANCE - MARCH 18: Catherine, Duchess of Cambridge, belt detail, visits the Invalides on March 18, 2017 in Paris, France. The Duke and Duchess are on a two day tour of France. (Photo by Pool/Samir Hussein/WireImage)