Kate Middleton recently made her first official public appearance since completing chemotherapy following her shock cancer diagnosed earlier this year. For the occasion, the Princess of Wales opted for a chic burgundy midi dress with a dainty polka dot print from British high-street brand Whistles - and you can still shop her exact dress. After selling out last week, Kate's Spot Print Trapeze Midi Dress has been restocked in a number of sizes from 4 to 12.

And even better news; it's currently on sale for £99 on the Whistles website, down from its usual price of £149. However sizes are selling fast, so you'll need to be quick if you want to nab your size. READ MORE: Burgundy boots are the 'it' style for autumn - here's where to shop the best affordable pairs READ MORE: Missoma's coveted mixed metal hoops are back in stock after selling out in just one week This autumn-ready midi dress has a trapeze shape and falls to a classic midi length that's perfect for colder weather.

The elegant piece is easy to pair with anything from boots to trainers and can be easily layered with a relaxed knit during chilly weather. It has a flattering boat neckline and comes in a regular fit, so it's recommended that you take your usual size. Kate wore the Whistles number whilst making a visit earlier this year with her husband, Prince William .

This was the couple's first official joint outing since Kate completed her course of chemotherapy cancer treatment in the summer. For the occasion, the 4.