The stunning transformation of shy, teenaged Lady Diana Spencer to Diana, Princess of Wales —a style icon, protective mother and humanitarian — captivated the world. More than 750 million people across the globe tuned in for her fairy-tale wedding to Prince Charles in 1981. Millions followed her ups and downs from that moment until her tragic and untimely death in 1997 at age 36. On what would have been her 60th birthday, celebrate Diana's unique and storied life and reflect on the impact she continues to have on British royalty.