STROUD, UNITED KINGDOM - MARCH 26: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Autumn Phillips, Savannah Phillips and Vice Admiral Sir Timothy Laurence attend the Gatcombe Horse Trials at Gatcombe Park on March 26, 2017 in Stroud, England. (Photo by Max Mumby/Indigo/Getty Images)
STROUD, UNITED KINGDOM - MARCH 26: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Autumn Phillips, Savannah Phillips and Vice Admiral Sir Timothy Laurence attend the Gatcombe Horse Trials at Gatcombe Park on March 26, 2017 in Stroud, England. (Photo by Max Mumby/Indigo/Getty Images)
STROUD, UNITED KINGDOM - MARCH 26: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Mia Tindall walks her mother Zara Phillips's boxer dog 'Spey' as she attends the Gatcombe Horse Trials at Gatcombe Park on March 26, 2017 in Stroud, England. (Photo by Max Mumby/Indigo/Getty Images)
STROUD, UNITED KINGDOM - MARCH 26: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Princess Anne, The Princess Royal talks with Zara Phillips after she competed the cross country phase of the Gatcombe Horse Trials at Gatcombe Park on March 26, 2017 in Stroud, England. (Photo by Max Mumby/Indigo/Getty Images)
STROUD, UNITED KINGDOM - MARCH 26: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Zara Phillips carries a puppy as she attends the Gatcombe Horse Trials at Gatcombe Park on March 26, 2017 in Stroud, England. (Photo by Max Mumby/Indigo/Getty Images)
