Queen Elizabeth II's grandson Peter Phillips and his wife, Autumn Phillips, attended Whatley Manor Hotel International Horse Trials at Gatcombe Park in Gloucestershire, England on September 12, 2015 with their daughters, Savannah (right) and Isla (left).
Queen Noor of Jordan signs a condolence book at the Srebrenica Genocide Memorial before a ceremony on July 11, 2015 marking the 20th anniversary of the Srebrenica massacre, in which 8,000 Muslim men and boys were killed by Bosnian Serbs.
The Archbishop of Canterbury, British prime minister David Cameron, Queen Elizabeth II, Prince Philip, Prince William, Princess Anne, and Timothy Lawrence attend a commemoration of the 800th anniversary of the signing of the Magna Carta on June 15, 2015 at Runnymede, a water-meadow near Windsor Castle.
Britain's Princess Royal (left) attends a Not Forgotten Association garden party at Buckingham Palace on June 11, 2015.
Britain's Princess Royal and Professor Stephen Hawking talk as they attend a reception and dinner in support of the Motor Neurone Disease Association at Buckingham Palace on March 10, 2015. (Photo by Ian West – WPA Pool/Getty Images)