Kate Middleton dress style: from THAT naked dress to the McQueen, midis and endlessly stylish maternity frocks

The Duchess wore a purple Emilia Wickstead dress with Aspinal Mayfair bag and Tory Burch necklace for the Global Ministerial Mental Health Summit at London County Hall.

Kate attended a charity event at Paddington station wearing this floral Orla Kiely dress which is already sold out.

For her first public appearance since announcing pregnancy number three.

For her visit to the Sunken Garden at Kensington Palace, in memory of Princess Diana, the Duchess of Cambridge opted for this gorgeous floral Prada midi dress from Prada's Fall/Winter 2017 collection.

Kate surprised everyone by wearing this daring off-the-shoulder Alexander McQueen dress to a garden party in Germany.

For a recent your of Poland, Kate wore a dress by a Polish designer as an homage to the country.

A chic Gucci look.

Wearing Marchesa to a ballet.

Wearing Alexander McQueen to the 2017 BAFTAs.

The Duchess wears a floral Vanessa Seward dress for a trip to the annual Christmas party hosted by The Mix in London.

In November 2016, The Duchess wore a black Preen by Thornton and Bregazzi dress, which was purchased directly from Fenwicks of Bond Street, to the Place2Be Wellbeing in Schools Awards at Mansion House in London.

Here's Duchess Kate at the world premiere of A Street Cat Named Bob, wearing a gorgeous full length gown by Self Portrait, shoes by Gianvito Rossi and a clutch by Miu Miu.

Kate opted for a See by Chloé dress paired with an Acne belt for a children's party for military families.

Kate wore this stunning red gown by Thornton Bregazzi to a ceremony of reconciliation with the Canadian First Nations.

The duchess wearing a bespoke Alexander McQueen dress on a tour to Canada.

The Duchess chose a delicate lace dress for her 2016 Royal Ascot debut. A matching floral fascinator and drop pearl earrings completed her chic but simple look.

We love nothing more than when Duchess Kate steps out in a purse-friendly piece..

Kate knows a thing or two about winter florals. This bold floral silk Erdem dress with diamond jewellery she wore at the 100 Women In Hedge Funds event was incredibly chic, held at the Victoria & Albert Museum in London in late October 2015.

At Princess Charlotte's christening, wearing McQueen.

Presenting Princess Charlotte to the world.

For her final appearance before giving birth to Princess Charlotte, the Duchess of Cambridge wore this lovely bright pink coat and black pumps as she toured the Stephen Lawrence Centre in London.

In a black evening gown.

Kate showed off her legs in this powder blue dress.

Kate Middleton in a cream Roland Mouret gown and Zara necklace, which sold out instantly.

This sparkling Jenny Packham dress was a real winner.

Kate Middleton, Prince William and Prince George at George's christening.

After giving birth to Prince George, Kate left hospital in this blue polka dot dress by Jenny Packham.

A peach dress and matching coat, the perfect pregnancy style.

We love this cute McQueen sailor dress.

On tour in Canada.

Kate wore this pale lilac McQueen dress to the 2011 BAFTAs.

At an official event.

Chatting at a Royal engagement.

At a St James Gala reception.

Kate wore this black lace Temperley dress to the UK premiere of War Horse.

For a visit to Canada, Kate chose to honour the country with a maple leaf on her hat.

At a garden party in Buckingham Palace.

The iconic pink glitter dress.

Wearing her second wedding dress of the day, also by Sarah Burton for Alexander McQueen.

Kate chose this dress by Issa for her engagement picture, and it promptly sold out. The brand has since struggled to keep up with demand.

At a wedding with Prince William.

At a disco fancy dress party.

At a party during her university years.

A pretty neglige number.

The sheer dress that apparently caught Prince William's eye at the university charity catwalk show.

At a polo game.

Very country chic.