LONDON, UNITED KINGDOM - OCTOBER 08: Princess Margaret With Lord Snowdon And Their Daughter Lady Sarah Armstrong-jones Attending The Wedding Of Their Son Lord Linley (Photo by Tim Graham Photo Library via Getty Images)
LONDON, UNITED KINGDOM - OCTOBER 08: Princess Margaret With Lord Snowdon And Their Daughter Lady Sarah Armstrong-jones Attending The Wedding Of Their Son Lord Linley (Photo by Tim Graham Photo Library via Getty Images)