Princess Kate stuns in floor-length gown and tiara she has never worn before

Kate opted for Queen Victoria’s Oriental Circlet Tiara, made of diamonds and rubies, which was designed by the German-born Prince Albert.

Her purple-blue, floor-length sequinned gown with flowing cape shoulder detail was by Jenny Packham.

She also wore the late Queen’s earrings, the Royal Family Order and the GCVO Sash and Star.

The princess joined Prince William, King Charles and Queen Camilla for the white-tie dress code event.

The royal headpiece was the fifth time Kate has stepped out with a tiara, but this was the biggest to date.

According to Garrard, the tiara was crafted in 1853 for Queen Victoria under the direction of her husband, Prince Albert.

The choice may have been a nod to Prince Albert, who was from Germany.

The sparkling accessory features 2,600 diamonds and was originally set with opals before Queen Alexandra later replaced the gems with rubies.

The tiara has also been worn by the late Queen Mother and Queen Elizabeth II, the late monarch wore it once during a 2005 trip to Malta.

Kate's first tiara wear came when she wed Prince William in 2011, wear the Cartier Halo Tiara for her walk down the aisle. She's also worn the Lotus Flower Tiara, the Strathmore Rose Tiara and the Queen Mary Lover's Knot Tiara.

The Prince and Princess of Wales showcased their outfits on social media, sending fans into a frenzy.

One fan said: “I wasn’t ready! Oh my god!”

Another said: “Absolutely stunning couple!”

A third added: “Holy smokes! She looks amazing.”

A fourth said: “Both of you are absolutely stunning!”

The Prince and Princess of Wales had earlier fulfilled their traditional role of collecting the German leaders from Heathrow Airport.

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