Popsugar Fashion Celebrity Fashion Princess Diana Style 50 Reasons Princess Diana Will Forever Be Our Style Icon 20 May, 2018 by Randy Miller View On One Page Photo 5 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 A Princess Moment That was far from the first time she turned to Catherine Walker for a statement look! Princess Diana set out to channel Grace Kelly in the London-based designer's icy chiffon gown at the 1987 Cannes Film Festival. Mission accomplished! Previous Next Start Slideshow Celebrity FashionThe British RoyalsThe RoyalsPrincess Diana