Royal weddings are usually ... Rita Hayworth's Christian Dior dress for her 1949 wedding to Prince Aly Khan of Pakistan was periwinkle blue with a V-neck and full skirt.

The stakes are even higher when it comes to royal weddings ... Duchess Wallis wore a signature "Wallis blue" Mainbocher wedding dress, which was a soft blue crêpe with a tight, buttoned bodice.

So is it any wonder that throughout history, real-life royal wedding dresses have utterly ... also included a scrap of blue fabric taken from the dress Meghan Markle wore on her first date with ...