The finishing touch were a pair of blue topaz hoop earrings by Kiki McDonough, one of her favoritejewelrydesigners.

Sophie, the Duchess of Edinburgh, complemented Kate in her own cornflower blue creation.

Like the Princess of Wales, Sophie finished her look with a stylish hat.

Catherine Princess of Wales attends King Charles III’s Coronation Garden Party at Buckingham Palace on May 9 2023

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Today’s frilly frock boasts allover embroidery, a high collar and gathered three-quarter-length sleeves.

Like Kate, Sophie has also worn her dress to Royal Ascotdebuting the outfit at last year’s meet.

The day ended after the royal couple appeared on thebalcony of Buckingham Palacein a celebratory moment.

The Princess of Wales at Royal Ascot in 2019 left and at Buckingham Palace Garden Party today right.

The Princess of Wales at Royal Ascot in 2019, left, and at Buckingham Palace Garden Party today, right.

The Duke and Duchess of Edinburgh.

This article first appeared onTatler.

The Prince and Princess of Wales

The Prince and Princess of Wales

The Duchess of Edinburgh at Royal Ascot in 2022 left and at the Buckingham Palace Garden Party.

The Duchess of Edinburgh at Royal Ascot in 2022, left, and at the Buckingham Palace Garden Party.

Catherine Princess of Wales attends King Charles III’s Coronation Garden Party at Buckingham Palace on May 9 2023

A close-up of the Princess of Wales’s accessories

The Duke and Duchess of Edinburgh.

The Duke and Duchess of Edinburgh.

The Princess of Wales

The Princess of Wales