Like Kate, the Spanish royal has also been spotted in a powder blue polka dot number. She was pictured wearing one to celebrate National Armed Forces Day with her husband King Felipe VI in 2022.

Good news for fashion lovers, we've tracked down a high-street alternative that lets you emulate the royal's style ... the Lipsy Navy Blue Long Sleeve Gathered Waist Polka Dot Midi Dress for ...

For those looking to add a royal touch to their wardrobe without breaking the bank, we've found the perfect navy polka-dot midi dress to emulate the Duchess' style for less ...

The 43-year-old royal tends to be spotted in designer ... She likes more colourful pieces too, stepping out in blue polka dots for D Day in 2019 and twice at Wimbledon in 2022.