Kate Middleton‘s tiara usually dominates headlines, but what do her other royal accessories mean?

The mom of three joinedQueen Elizabethand fellow members of the royal family on Wednesday evening for the annual Diplomatic Corps reception at Buckingham Palace. In addition to her sparkling tiara and stunning evening gown, Kate sported a blue, red, and white sash over her dress.

Kate debuted the sash earlier this year during a state banquet at Buckingham Palace markingPresident Donald Trump’s official state visit to the U.K.She completed her white Alexander McQueen gown with her go-toLover’s Knot tiarapaired with the Queen Mother’s sapphire and diamond fringe earrings for the event in June.

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Duchess of Cambridge

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Catherine,Duchess of Cambridge

Kate Middleton.Victoria Jones/PA Wire

Duchess of Cambridge

Duchess of Cambridge

Camilla, Princess Anne and Sophie, Countess of Wessex, have also been seen in their blue sashes.

Queen Elizabeth.Victoria Jones/PA Wire

Queen Elizabeth II

Queen Elizabeth II

Royal wives are typically given the Royal Victorian Order or the Royal Family Order of Queen Elizabeth, and they can collect additional orders as time goes on, and they have done more work for the family. (For his part,Prince Williamis a Royal Knight Companion of the Most Noble Order of the Garter, whilePrince Charleshassevenorders.)

Each order is represented with a different sash, varying in color and width. They aren’t worn often, but are broken out for formal occasions.

Prince William.Victoria Jones/PA Wire

Duke of Cambridge

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For a state banquet honoring King Willem-Alexander and Queen Maxima of the Netherlands in October 2018, Kate sported a yellow badge with a brooch featuring a portrait of the Queen, which she wore on her shoulder, indicating that she had been given the Royal Family Order. She wore the yellow badge for Wednesday’s event as well.

source: people.com