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15 Times Kate Middleton Delivered a Masterclass in Chic Sartorial Style

On the occasion of the Duchess of Cambridge's 40th birthday, we look back at some of her best style moments over the years.

A very happy 40th birthday to Kate Middleton. Over the years, Catherine, Duchess of Cambridge has developed a chic sartorial style that sets her a cut above the rest. From precisely-tailored midi dresses to all-out, Disney princess-worthy ballgowns— there's an elegant dress for every occasion in her wardrobe. Pair that with the effortless combination of designer pieces with high street steals and we've got ourselves an icon. Scroll through to see our pick of a few of the Duchess' best dresses and outfits.

A floor-length sparkly green Jenny Packham gown at the Royal Variety Performance in London

Kate wore the same dress during her royal tour of Pakistan in 2019.

A military-inspired Alexander McQueen blouse on remembrance day

Arriving at BAFTA in London in a red pleated Christopher Kane skirt

In sparking gold gown Jenny Packham for the Bond premiere

Wearing her fairytale-like Alexander McQueen wedding dress designed by Sarah Burton

Kate made Issa a household name by wearing a royal blue, jersey dress by the design house for her engagement announcement

An emerald green midi dress by celebrity-favourite designer The Vampire's Wife for a public appearance in Dublin

Wide-leg, olive hued Jigsaw culottes , a burgundy sweater and the chicest Chanel bag at the Natural History Museum

A triumph of maternity dressing visiting the Irish guards on St Patrick's Day

And again in head-to-toe navy attending a Commonwealth Day service

Wearing a festive tartan dress and fluffy headband on Christmas Day

A blue lace Temperley London dress on World Mental Health Day

A lovely Emilia Wickstead lilac purple dress while visitng Hamburg, Germany

A white lace Alexander McQueen dress at the first day of Royal Ascot

A gorgeous pink Alexander McQueen dress for the Trooping of the Colour parade

A green floral dress by designer Alessandra Rich arriving for the royal tour of Ireland

A black-and-white polka -dot midi dress at to endorse the national launch of BBC’s Tiny Happy People