Kate Middleton is holding her head up high.

The Princess of Wales, 43, sported the biggest tiara she’s worn to date when the royals attended a glamorous event at Windsor Castle on Wednesday in honor of German President Frank-Walter Steinmeier’s state visit to the U.K.

Princess Kate was joined by her husband Prince William, King Charles and Queen Camilla.

Middleton sported Queen Victoria’s Oriental Circlet Tiara for the first time, a blue Jenny Packham dress and a pair of the late Queen Elizabeth’s earrings.

She accessorized with the Royal Family Order and the Royal Victorian Order sash and star and a black clutch.

The gigantic headpiece is the fifth one Princess Kate has ever worn.

According to Garrard , in 1853, Queen Victoria’s husband, Prince Albert, had the tiara crafted for her

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