FLEET, UNITED KINGDOM - MARCH 11: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Zara Phillips competes, on her horse 'Gladstone', in the cross country phase of the Tweseldown Horse Trials at Tweseldown Racecourse on March 11, 2017 in Fleet, England. (Photo by Max Mumby/Indigo/Getty Images)
FLEET, UNITED KINGDOM - MARCH 11: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Zara Phillips attends the Tweseldown Horse Trials, at which she is competing on seven of her horses, at Tweseldown Racecourse on March 11, 2017 in Fleet, England. (Photo by Max Mumby/Indigo/Getty Images)
FLEET, UNITED KINGDOM - MARCH 11: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Zara Phillips attends the Tweseldown Horse Trials, at which she is competing on seven of her horses, at Tweseldown Racecourse on March 11, 2017 in Fleet, England. (Photo by Max Mumby/Indigo/Getty Images)
FLEET, UNITED KINGDOM - MARCH 11: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Zara Phillips competes, on her horse 'Castle Black II', in the cross country phase of the Tweseldown Horse Trials at Tweseldown Racecourse on March 11, 2017 in Fleet, England. (Photo by Max Mumby/Indigo/Getty Images)
FLEET, UNITED KINGDOM - MARCH 09: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Zara Phillips competes, on her horse 'Fernhill FaceTime', in the cross country phase of the Tweseldown Horse Trials at Tweseldown Racecourse on March 9, 2017 in Fleet, England. (Photo by Max Mumby/Indigo/Getty Images)
