LUXEMBOURG - MAY 11: Catherine, Duchess of Cambridge as she takes a short walk outside the City Museum to view the capital during a one day visit on May 11, 2017 in Luxembourg. The Duchess will attend a series of engagements to celebrate the cultural and historic ties between the UK and Luxembourg and the official commemoration of the 1867 Treaty of London, which confirmed Luxembourgs independence and neutrality. (Photo by Samir Hussein/Samir Hussein/WireImage)
