Popsugar Fashion The British Royals How Much Do Kate Middleton's Clothes Cost? The Exact Cost of Kate Middleton's Wardrobe May Shock You 7 February 2018 by Marcia Moody View On One Page Photo 21 of 32 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 21 Kiki MCDonough: National Portrait Gallery Gala The most expensive Kikis of the year were the whopping pink tourmaline and green amethyst earrings, which cost $12,336. Previous Next Start Slideshow The British RoyalsKate Middleton FashionKate Middleton