Popsugar Fashion The Royals Princess Diana Cannes Film Festival Dresses It's Been Over 30 Years, but Princess Diana's Cannes Gown Still Takes Our Breath Away May 25, 2019 by Morgane Le Caer View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 For her first appearance on the Cannes Film Festival red carpet, Diana wore a puffy Catherine Walker dress with a double-breasted white blazer. Previous Next Start Slideshow The RoyalsNostalgiaCannes Film FestivalRed CarpetAll AnglesDressesCatherine WalkerPrincess DianaThe British Royals