Sarah, Duchess of York takes Princess Beatrice, and Princess Eugenie out on their ponies at Windsor Castle [Getty Images]

WINDSOR, UNITED KINGDOM - MARCH 27: Sarah, Duchess of York takes Princess Beatrice ( in pink jumper ), and Princess Eugenie out on their ponies at Windsor Castle, on March 27, 1993 in Windsor, United Kingdom . (Photo by Julian Parker/UK Press via Getty Images)

UK Press Julian Parker