Kate Middleton is known for her feminine royal style, especially during the fall season.
Insider looked back at the royal's most fashionable autumnal outfits.
From jewel-toned sweaters to plaid blazers and knee-high boots, the princess masters fall fashion.
Kate Middleton has been known to wear everything from affordable fashion brands to high-end items, but it's her fall style that stands out from her other looks.
As the weather turns colder, we decided to look back at the royal's most fashionable autumnal outfits.
Here are 22 of Kate Middleton's best fall fashion moments.
Before she was officially a royal, Kate Middleton knew how to rock a fall fashion look.
Pictured here at Cheltenham Racecourse in Gloucestershire in 2007, the soon-to-be royal embodied autumnal British style in an olive jacket and simple button-down.
While the sunglasses are very reminiscent of 2000s fashion, this look could easily be recreated today.
Plaid is basically synonymous with fall fashion, and this dress-and-jacket combination is no exception.
Kate paired plaid with understated black tights and suede boots.
The duchess wore this nautical-inspired fall look during an appearance in October 2013.
While pairing wedges with a striped shirt might seem more like a summer trend, throwing a blazer over the top makes the outfit more fall-appropriate.
Kate wore this walnut-brown printed dress by Orla Kiely to a charity event in 2013.
From the button details on the dress' bodice to the duchess' brown suede booties, the look is chic enough for a royal engagement yet casual enough for anyone to wear out on the town this fall.
Kate Middleton may have worn this cream sweater in the spring of 2014, but it could easily transition to the fall season.
Chunky sweaters and cable knits are expected to be one of this year's biggest fall fashion trends.
The Duchess of Cambridge wore this comfortable-looking yet stylish maroon sweater dress to an appearance in November 2017.
The royal paired the fall-ready look with tights and a simple watch.
Though we're used to seeing Kate Middleton dressed up, this casual fall look in 2018 proved she can dress down and look just as stylish.
Known for wearing affordable fashion brands, Kate paired a pair of brown cargo-style pants from Zara with a light green jacket and her favorite pair of Penelope Chilvers boots.
She wore a plaid midi dress to an event at the Victoria & Albert Museum a week later.
She paired it with a maroon belt and matching heels for a stylish autumnal look.
Known to rock a blazer every now and again, Kate wore this classic grey number with a pair of simple black pants and a turtleneck sweater in 2018.
Blazers are a common trend during the fall, but this year they're expected to become even more popular, despite many people likely still working from home.
The princess recycled the same blazer for an event in November 2019.
She styled the blazer with a simple white sweater and maroon slacks.
Nothing screams "fall" more than this matching maroon blazer-and-skirt ensemble.
She also wore a pair of simple black suede pumps, tights, and a turtleneck.
Kate may have worn this festive look to a Christmas party, but it can surely inspire your fall wardrobe as well.
To make the look more autumn-appropriate, you could opt for a plaid skirt in fall colors like mustard yellow, army green, or maroon rather than bright red.
She wore another army-green jacket in 2019, this time paired with a chunky maroon turtleneck sweater and a necktie.
Bandanas and neckties are already emerging as fall fashion trends this year, either worn around your neck or as a hair accessory.
This fall look from 2019 is one of the duchess' most iconic fashion moments.
The royal paired the pair of green culottes by high-street fashion brand Jigsaw with a burgundy knit sweater by Warehouse and a matching Chanel handbag.
This classic jewel-toned blue dress made a statement in November 2019.
The Princess of Wales proved that you don't need tights or over-the-top accessories to nail a fall look.
In one of her last public engagements before the pandemic, Kate opted for a casual, chic outfit that embodied the fall season.
With her worn-in brown leather boots, jeans, and army-green military jacket, this fall look will continue to inspire our wardrobes.
While meeting with researchers at University College London in October 2021, Kate wore a fall-appropriate plaid dress with matching heels.
The Zara dress was accessorized with a bow tie at the neck.
The princess wore a bright-red turtleneck and pleated skirt to a BAFTA event in October 2021.
The royal's cozy sweater perfectly matched her pleated midi skirt by Christopher Kane. The royal topped off the look with a pair of tan pointed-toe pumps and a mini leather handbag by Demellier London.
To drop off Prince George, Prince Louis, and Princess Charlotte on their first day of school, Kate wore a chic brown polka-dot dress.
The autumnal color tied in perfectly with her matching brown suede pumps.
In October 2022, Kate wore a mustard-yellow pleated dress designed by Karen Millen.
Mustard is consistently one of the most popular fall-fashion colors.
Kate attended a December 2022 event in Boston wearing a chic maroon suit with a pink blouse.
The autumnal-colored suit by Roland Mouret matched the royal's suede heels.
While visiting Harvard University the next day, the princess opted for a collared gingham dress that embodied "dark academia" fall fashion.
The black-and-white, calf-length Emilia Wickstead dress featured a sharp collar and a thin belt at the waist.
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