Royal Windsor Horse Show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

 Camilla, Duchess of Cornwall attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.



Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

 

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Camilla, Duchess of Cornwall attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Camilla, Duchess of Cornwall attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.



Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

 Camilla, Duchess of Cornwall attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Camilla, Duchess of Cornwall attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall attend the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II and Camilla, Duchess of Cornwall kiss as they attend day 1 of the Royal Windsor Horse Show in Home Park on May 13, 2015 in Windsor, England.

Queen Elizabeth II attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Queen Elizabeth II attends the Royal Windsor Horse show in the private grounds of Windsor Castle on May 13, 2015 in Windsor, England.

Camilla, Duchess of Cornwall attends day 1 of the Royal Windsor Horse Show in Home Park on May 13, 2015 in Windsor, England.