• Princess Kate stuns in tiara
  • It's a century old piece
  • It was often worn by Diana

In a night that glittered with more than just the chandeliers of Buckingham Palace, Princess Kate (41, Princess of Wales) turned heads and set flashbulbs ablaze at the Diplomatic Reception. With Prince William (40, Duke of Cambridge) by her side, Kate Middleton channeled the epitome of royal grace, choosing the iconic Queen Mary's Lover's Knot Tiara for the eleventh time since 2015. Talk about a sparkling repeat performance!

Princess Kate's historic tiara, a nod to Princess Diana

This tiara isn't just any old crown—it's steeped in history and sentiment, being a favorite of the late Princess Diana. The Court Jeweller spills the tea that this sparkler is over a century old, commissioned by Queen Mary herself. But wait, there's more! Princess Kate didn't just stop at the tiara; she recreated her entire look from the summer nuptials of Crown Prince Hussein and Princess Rajwa of Jordan. Yes, the same pink Jenny Packham gown and those jaw-dropping Greville Chandelier earrings—a touching nod to the late Queen Elizabeth.

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But hold onto your hats, royal watchers, because Queen Camilla (75, Queen Consort) wasn't about to be outdone. She donned the Girls of Great Britain and Ireland Tiara, another jewel with deep ties to Queen Elizabeth. It seems tiaras are the ultimate royal accessory this season!

Blossoming elegance

Just two weeks prior, Princess Kate surprised us all at a state banquet, debuting the Strathmore Rose Tiara, a floral masterpiece unseen since the 1930s. Lauren Kiehna of The Court Jeweller dishes that Kate's choice is a symbol of continuity, echoing the Queen Mother's royal role.

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King Charles (74, King of the United Kingdom) himself, known for his fondness for his grandmother, must have been touched by the gesture. The King recently referred to Kate as "my beloved daughter-in-law," and seeing her in the Strathmore Rose Tiara surely warmed the royal heart.

Last year, Kate reached for another tiara surprise—the Lotus Flower Tiara, a piece with its own romantic backstory. It seems that when it comes to royal events, Princess Kate knows how to keep us guessing which tiara will grace her royal head next!