STROUD, UNITED KINGDOM - AUGUST 09: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Princess Anne, The Princess Royal walks the cross country course as she attends day 3 of the Festival of British Eventing at Gatcombe Park on August 9, 2015 in Stroud, England. (Photo by Max Mumby/Indigo/Getty Images)