Kate Middleton Wore This Gorgeous Royal Heirloom, And We’ve Definitely Seen It Before

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Rare is the occasion we see Kate Middleton wear the royal family jewels, so it's no surprise that when she's spotted in them, the moment makes headlines. Heirloom in discussion: Queen Elizabeth's pearl necklace, as worn by the Duchess of Cambridge at the monarch's 70th wedding anniversary at Windsor Castle.

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If the four-strand pearl choker looks familiar, that's because the late Princess Diana donned the timeless accessory at a state banquet for the Netherlands back in 1982. (It's also not the first time Kate has flaunted a piece that was worn by Di and belongs to the Queen.) Pairing her pearls with another repeat—the Diane von Furstenberg dress of which (potential sister-in-law) Meghan Markle owns a knee-length iteration—Kate really does know how to keep things in the family.