Britain's Prince William, Duke of Cambridge (L) and Britain's Prince Andrew, Duke of York (R) leave a service of thanksgiving in honour of the late British photographer Antony Armstrong-Jones, the former husband of Queen Elizabeth II's late sister Princess Margaret, better known as Lord Snowdon (1st Earl of Snowdon), at St Margaret's Church in London on April 7, 2017. Lord Snowdon died at the age of 86, the photographic agency where he worked said on January 13. / AFP PHOTO / POOL / HANNAH MCKAY (Photo credit should read HANNAH MCKAY/AFP/Getty Images)
