Popsugar Fashion Celebrity Style Best Kate Middleton Style 2015 The Outfits Kate Middleton Wore in 2015 That Deserve Your Royal Attention 22 December, 2015 by Sarah Wasilak 10 Shares View On One Page Photo 1 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 When Kate Showed Off Her Style Prowess by Mixing Black and Blue Wearing a Madderson London dress. Previous Next Start Slideshow Celebrity StyleKate Middleton FashionCelebrity Street StyleDressesRed CarpetKate MiddletonThe RoyalsBest OfBest Of 2015