LONDON, ENGLAND - MAY 18: Zara Phillips and Peter Phillips visit the annual Chelsea Flower show at Royal Hospital Chelsea on May 18, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - MAY 18: Zara Phillips and Peter Phillips visit the annual Chelsea Flower show at Royal Hospital Chelsea on May 18, 2015 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)