LONDON, UNITED KINGDOM - JULY 14: Princess Margaret With Her Ex-husband, Lord Snowdon, At The Wedding Of Their Daughter Lady Sarah Armstrong-jones To Daniel Chatto At St Stephen Walbrook In London. Son, Viscount Linley, And Wife, Serena, Stand Behind. Princess Margaret Coat Was Designed By Sally Ashburton, Her Hat By Graham Smith (Photo by Tim Graham Photo Library via Getty Images)
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