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 31 of 44 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 31 White Knight Diana exuded grace and glamour at the Trooping the Colour ceremony with the queen and Prince William in 1987. Previous Next Start Slideshow Princess DianaHats