Popsugar Fashion Kate Middleton Kate Middleton Wearing a Blue Lace Dress and Tiara Princess Diana's Favorite Tiara Makes a Comeback — on Kate Middleton December 9, 2015 by Sarah Wasilak View On One Page Photo 2 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Kate Middleton Wearing the Tiara For the Diplomatic Reception in 2015 Previous Next Start Slideshow The RoyalsKate MiddletonAlexander McQueenQueen Elizabeth IIDressesGet The LookTiaraPrincess Diana