Duchess of diamonds and pearls: Kate chooses Princess Diana’s favorite tiarafor glittering white tie reception

It is the largest – and, some say, the most glittering – reception the monarch holds each year at BuckinghamPalace.So it was fitting that theDuchess of Cambridgehad dusted off some of the royal family’s finest jewels.Arriving at the Queen’s annual Diplomatic Reception in a chauffeur-driven Bentley, Kate was wearing, appropriately, the dazzling diamond and pearl Cambridge Lover’s Knot tiara, once owned byPrincess Diana.