Franoise Hardy in a Paco Rabanne dress, 1968. Said to be the most expensive dress in the world at the time, it was made of solid gold and set with numerous diamonds ( Betsy & Adam Women's Cap Sleeve High Neck Solid Gown Belk Guess who was at the show? Marilyn McCoo! (We only hosted 'Solid Gold' together!) #rexsmith @realrexsmith Solid gold: how yellow became the colour of the season Fashion The Guardian Ladivine CZ0029 Cap Sleeve V Neck Beaded Dress Gold Sequin Mermaid Strapless Split Prom Dresses