Popsugar Fashion The Royals Kate Middleton White Dress at State Banquet 2019 How the Duchess of Cambridge Paid Tribute to Princess Diana and the Queen Mother at the State Banquet 4 June 2019 by Erin Cullum View On One Page Photo 2 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 The Queen Mother Wearing Her Sapphire Earrings in 1986 Shown beside the Duchess of Cambridge wearing them in 2015. Previous Next Start Slideshow The RoyalsThe British RoyalsDressesKate Middleton