WINDSOR, ENGLAND - MAY 15: Queen Elizabeth II and Sophie, Countess of Wessex attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 15, 2015 in Windsor, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
WINDSOR, ENGLAND - MAY 15: Queen Elizabeth II and Sophie, Countess of Wessex attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 15, 2015 in Windsor, England. (Photo by Mark Cuthbert/UK Press via Getty Images)