HAMBURG, GERMANY - JULY 21: Catherine, Duchess of Cambridge visits the Maritime Museum on day 3 of their official visit to Germany on July 21, 2017 in Hamburg, Germany. (Photo by Karwai Tang/WireImage)
HAMBURG, GERMANY - JULY 21: Catherine, Duchess of Cambridge visits the Maritime Museum on day 3 of their official visit to Germany on July 21, 2017 in Hamburg, Germany. (Photo by Karwai Tang/WireImage)