Duchess Kate dazzles in diamonds, pearls, and the Royal Order!

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She's back, ladies and gents!

The Duke and Duchess of Cambridge were among several senior members of the royal family that joined the queen for a State Banquet at Buckingham Palace this evening, and Kate took "dazzle" to a new level.

She was wearing her favorite color, blue, and her favorite tiara from the royal collection, the Cambridge Lover's Knot Tiara. But Kate kicked up the glamour by borrowing another incredible piece of royal jewelry, Queen Alexandra’s wedding necklace which is made of pearls and diamonds.

Related: Duchess Meghan is gorgeous in blue for Fiji state dinner

Duchess Kate also wore a brand new accessory with a lot of meaning, one we've yet to see her wear. Adorned on the left shoulder of her pale blue Alexander McQueen gown, Kate wore the Royal Family Order of Queen Elizabeth II. It's the first time we have seen the Order on the duchess, though it's believed to have been given to her in December 2017.

The Royal Order is an honor bestowed upon female members of the royal family by the queen, and is worn on formal occasions like this state banquet. Other royals who have been bestowed the order are The Duchess of Cornwall, the Countess of Wessex and the Princess Royal.

Seeing Kate wear the Order further cements her role and important place in the royal family, and she wore it with pride. And looked fabulous doing so!

Click through above to see more photos from the event, including the dazzling dress and tiara worn by Queen Maxima of the Netherlands (those diamonds!), and see below for more of Duchess Kate's most dazzling jewelry moments.