THIMPHU, BHUTAN - APRIL 15: Catherine, Duchess of Cambridge attends a reception celebrating UK and Bhutanese friendship and cooperation at the Taj Hotel on April 15, 2016 in Thimphu, Bhutan. The Royal couple are visiting Bhutan as part of a week long visit to India and Bhutan that has taken in cities such as Mumbai, Delhi, Kaziranga, Bhutan and Agra. (Photo by Mark Large - Pool/Getty Images)

THIMPHU, BHUTAN - APRIL 15: Catherine, Duchess of Cambridge attends a reception celebrating UK and Bhutanese friendship and cooperation at the Taj Hotel on April 15, 2016 in Thimphu, Bhutan. The Royal couple are visiting Bhutan as part of a week long visit to India and Bhutan that has taken in cities such as Mumbai, Delhi, Kaziranga, Bhutan and Agra.  (Photo by Mark Large - Pool/Getty Images)