On July 29, 1981, at St. Paul’s Cathedral, London, Lady Diana Spencer became the Princess of Wales, wearing a gown that defined an era. Designed by David and Elizabeth Emanuel, it was crafted from ivory silk taffeta, trimmed with antique Carrickmacross lace circa 1890, and hand-embroidered with over 10,000 pearls and sequins. Its 25-foot train, the longest in royal history, unfurled behind her as bells echoed across Ludgate Hill. The gown’s bodice, lined with tulle and cambric, carried a hidden