Always remember to keep your crown polished.

Queen Camilla appeared in a seldom-seen tiara yesterday evening while hosting the annual Diplomatic Reception at Windsor Castle: the Grevile Emerald Kokoshnik tiara.

She paired the dazzling headpiece with a white embroidered evening gown and the blue Garter sash for the evening’s festivities.

Interestingly, Camilla seems to be using her jewelry to send a message of support to her step-granddaughters, Princesses Beatrice and Eugenie. Other members of the royal family, including Kate Middleton , are known for making similar quiet gestures with their jewels.

In addition to the tiara, Camilla wore a pear-shaped diamond demi-parure and her Van Cleef & Arpels serpent necklace, which she inherited from her grandmother. She also donned one of the

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