denim button up shirt dress Frank & Eileen Mary Ruffle Vintage Stonewashed Indigo, Famous Indigo XXS up front Kennedy Denim Button Up Dress

In keeping with tradition, she wore the Spencer family tiara, an 18th century-era heirloom that had been gifted to her grandmother Cynthia Spencer, Countess Spencer, by Lady Sarah Spencer in 1919

But specifically these Blundstones, from the brand's dress line, which are cut to a more formal shape without losing any of the boots' famous comfort

Toughen them up for autumn with a rugged leather jacket and a pair of flat boots

Among the dress brands recently added: Andrew Marc for structured career looks

The bodycon fit hugs your shape, while subtle contrast godet panels add movement and a flattering flow through the skirt