LONDON, UNITED KINGDOM - NOVEMBER 18: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge attends the Place2Be Headteacher Conference at Bank of America Merrill Lynch on November 18, 2015 in London, England. The Duchess was attending as patron of the charity and as part of her ongoing work on the mental health of children. (Photo by Max Mumby/Indigo/Getty Images)