Tonight, the Duke and Duchess of Cambridge joined the Queen, the Prince of Wales and the Duchess of Cornwall at the annual Diplomatic Reception at Buckingham Palace.

The Diplomatic Reception is hosted by the Queen each year to honor the 170 foreign missions accredited to the court of St James's in London.

The Queen wore an Angela Kelly state gown with the Vladimir tiara and a stunning emerald necklace. The Duchess of Cornwall wore a Bruce Oldfield cream gown and the Boucheron tiara. The Duchess of Cambridge wore a new bespoke navy velvet gown by Alexander McQueen. She paired the gown with the Lover’s Knot tiara, the Queen's Diamond Chandelier Drop Earrings and the Nizam of Hyderabad Necklace.