Popsugar Fashion Princess Diana Princess Diana's Most Stylish Hats We're Tipping Our Hats to Princess Diana's Timeless Toppers August 31, 2015 by Mandi Villa View On One Page Photo 17 of 44 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 The Bee's Knees The Princess of Wales matched her creamy yellow coat with a black-and-yellow geometric topper in December 1989. Previous Next Start Slideshow Princess DianaHats