It's a Girl! Celebrate the New Princess With Kate Middleton's Most Stylish Maternity Moments

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We love tracking Kate Middleton's maternity looks, not only because they're polished and regal, but also because they play to her signature style. The duchess knows just how to straddle the line between appropriate and exciting and is well aware of exactly what works for her.

And now, with the the arrival of the new royal baby, we're preparing for the family's first appearance with a look back at Kate's best maternity style moments. Read on for all the style highlights, many of which are bolder and better than ever before.

Additional reporting by Samantha Sutton

Kate Middleton Style
Getty | Samir Hussein

Kate Middleton Style

Kate stepped out in her hot-pink Mulberry peacoat, an eye-catching, crisply tailored design that she wore during her visit to New York. She accessorized her look with simple accessories: a small black clutch and classic pumps.

Kate Middleton Style
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Kate Middleton Style

While the duchess usually stays pretty buttoned up, she left her coat open during her visit to the Brookhill Children's Centre, showing off her pretty polka-dotted dress.

Kate Middleton Style
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Kate Middleton Style

Later, she revealed the classic wrap number in full, a style that perfectly suited her growing baby bump.

Kate Middleton Style
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Kate Middleton Style

Kate Middleton attended the St. Patrick's Day parade at Mons Barracks in Aldershot, England, where she paired her Catherine Walker coat with a bright green shamrock brooch.

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

Kate Middleton flaunted her baby bump in a navy Chiara wool trapeze coat by Beulah London ($968) at the Afghanistan Service of Commemoration, accessorizing with navy pumps and a bow-embellished clutch.

Kate Middleton Style
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Kate Middleton Style

Kate completed her ensemble with sapphire stones: her earrings, dainty necklace, and engagement ring made for the proper finishing touch.

Kate Middleton Style
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Kate Middleton Style

Kate accessorized her JoJo Maman Bébé Cream Princess Line Maternity Coat ($103) with her go-to Mulberry clutch, black pumps, and her sapphire engagement ring to visit the set of Downton Abbey.

Kate Middleton Style
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Kate Middleton Style

Kate snapped a photo with Lady Mary and George Crawley on the set of Downton Abbey.

Kate Middleton Style
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Kate Middleton Style

The duchess was even presented with a wooden train for Prince George!

Kate Middleton Style
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Kate Middleton Style

Kate also visited the downstairs crew. Daisy and Mrs. Patmore even presented her with a cake!

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

Kate blended right in with the stylish cast of Downton Abbey.

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

The duchess definitely stood out in the crowd in this spotted Hobbs coat, which was the perfect balance between demure and adventurous.

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

Kate kept her accessories simple and let her outerwear steal the spotlight, opting for a pair of pearl drop earrings and a classic black Mulberry clutch.

Kate Middleton Style
Getty | Samir Hussein

Kate Middleton Style

Kate paired her pearl-adorned Alexander McQueen coat — which she wore during her first pregnancy — with a handful of complementing accessories, from her satin box clutch to her powder-pink pumps. But of course, it was her Jane Taylor headpiece that assured us her outfit certainly wasn't missing a thing.

Kate Middleton Style
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Kate Middleton Style

Kate completed her feminine, springtime ensemble with dainty diamond earrings and smartly added a bit of contrast with her sapphire engagement ring.

Kate Middleton Style
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Kate Middleton Style

Kate Middleton played up the floral print of her Seraphine dress ($179) — which she's worn once before! — with a bouquet of flowers when she visited the Emma Bridgewater factory.

Kate Middleton Style
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Kate Middleton Style

Kate completed her look with her sapphire earrings and engagement ring and an L.K.Bennett clutch.

Kate Middleton Style
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Kate Middleton Style

Kate took off her Max Mara coat when she visited the Action For Children's Cape Hill, cradling her baby bump in her floral Seraphine dress, which retails at $179!

Kate Middleton Style
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Kate Middleton Style

Kate wore an A-line Max Mara coat and completed her look with navy accessories. Of course, Kate knows there's no smarter way to cover your baby bump than with Winter whites.

Kate Middleton Style
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Kate Middleton Style

Kate's navy accents included a classic suede L.K.Bennett clutch and her sapphire ring.

Kate Middleton Style
Getty | Danny Martindale

Kate Middleton Style

The finishing touch: dainty sapphire earrings.

Kate Middleton Style
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Kate Middleton Style

Once inside, Kate revealed an Alice Temperley boat print dress ($113). It's no surprise the breezy shift is already sold out — Kate looked lovely in the quirky print.

Kate Middleton Style
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Kate Middleton Style

Kate cradled her baby bump in her eye-catching shift dress.

Kate Middleton Style
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Kate Middleton Style

Kate formally opened the Kensington Aldridge Academy in a powder blue coatdress by Seraphine, which sold out instantly! She accessorized with simple, yet elegant staples: a navy blue clutch and pumps.

Kate Middleton Style
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Kate Middleton Style

Kate's look wasn't finished without the addition of her sapphire engagement ring, which complemented her outfit accoutrements perfectly.

Kate Middleton Style
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Kate Middleton Style

Once inside, Kate took off her coatdress to reveal a demure three-quarter sleeve Florrie floral dress, also by maternity label Seraphine.

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

Kate visited The Fostering Network in a textured chocolate-brown Hobbs dress, which is currently on sale for only $95! She accessorized with black tights, pumps, an elegant clutch, some statement jewels, gold dangling earrings, and her gorgeous sapphire ring.

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

For her first appearance of 2015, Kate visited Barlby Primary School in a navy Madderson London dress adorned with pink tweed panels and accessorized with a black clutch, opaque tights, and her go-to suede pumps.

Kate Middleton Style
Getty | Chris Jackson

Kate Middleton Style

Kate attended a Christmas Day service at Sandringham parish church alongside Prince William and the rest of the Middleton family. She stuck with a dark brown palette but played up her accessories — a suede, bow-embellished pillbox hat and gold drop earrings — with a patterned scarf.

Kate Middleton Style
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Kate Middleton Style

Kate opted for a Jenny Packham gown when she and William attended the St. Andrews 600th Anniversary Dinner at the Met. It wasn't the first time Kate had worn the stunning deep blue dress, but this time she got to accessorize with diamond and emerald drop earrings and her baby bump!

Kate Middleton Style
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Kate Middleton Style

Kate sported a chic turtleneck dress and Cartier pendant necklace at the Creativity is GREAT reception — where she met Jenna Lyons!

Kate Middleton Style
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Kate Middleton Style

Kate made New York just a little bit brighter on a gloomy day as she visited the 9/11 Memorial and Museum with Prince William. She opted for a bright pink Mulberry coat and elegant all-black Winter accessories, including her Jimmy Choo pumps.

Kate Middleton Style
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Kate Middleton Style

Kate opted for a shimmering tweed Tory Burch coat, black skinnies, an elegant clutch, and Jimmy Choo heels to attend the Brooklyn Nets game alongside Prince William. Beforehand, the two met with Hillary and Chelsea Clinton at the Conservation Reception.

Kate Middleton Style
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Kate Middleton Style

While visiting a child development center in Harlem, Kate channeled her inner-New Yorker in a chic, all-black coatdress by Goat ($835).

Kate Middleton Style
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Kate Middleton Style

Kate chose a Beulah London lace dress for a private event during her trip to New York. Despite Prince William's bright blue suit, the duchess was the one who stood out; completing her look with Stuart Weitzman pumps, a Mulberry clutch, and dangling earrings that played up the print of her cocktail number.

Kate Middleton Style
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Kate Middleton Style

Kate touched down in New York for a two day trip sporting a shimmering, tweed Seraphine coat and all-black accessories. She and Prince William paid tribute to the US in red, white, and blue!

Kate Middleton Style
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Kate Middleton Style

Kate sported a Katherine Hooker shift dress to the East Anglia's Children's Hospices Appeal launch, and completed the look with simple black accessories.

Kate Middleton Style
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Kate Middleton Style

The duchess smiled brighter than her bouquet of flowers, her outfit complete with regal silver jewelry.

Kate Middleton Style
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Kate Middleton Style

Kate opted for a satin Jenny Packham midi skirt and the polka-dot Emilia top by Hobbs for the Wellbeing in Schools Awards at Kensington Palace. She finished her look with an Alexander McQueen belt, Cassandra Goad drop earrings, and black pumps. Needless to say, she pulled off black and blue like a pro.

Kate Middleton Style
Getty | Samir Hussein

Kate Middleton Style

Kate stepped out with her husband Prince William to enjoy the Royal Variety Show, where One Direction performed. The duchess met band member Harry Styles, who congratulated her: "I said congratulations on the bump. Though she didn't look bumpy," he said.

Kate chose DVF's Zarita Gown ($900), a demure design with intricate lace detail at the neckline, and she accessorized with her go-to glittering night clutch.

Kate Middleton Style
Getty | Samir Hussein

Kate Middleton Style

Kate finished her look for the Royal Variety Show with a pair of stunning diamond-embellished drop earrings.

Kate Middleton Style
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Kate Middleton Style

Kate stepped out to spend time with some Olympic hopefuls at the SportsAid Workshop. The duchess chose a movable deep plum Vreeland dress by Goat, and she finished the look with suede accessories, including a simple clutch and knee-high boots.

Kate Middleton Style
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Kate Middleton Style

Kate's latest look came by way of Alexander McQueen — a black coat and matching hat that conjured images of a rose — which coordinated well with the poppy she wore to the annual Remembrance Sunday Service.

Kate Middleton Style
Getty | Samir Hussein

Kate Middleton Style

Kate's gorgeous double-breasted Matthew Williamson coat, which she threw over a foundation of black separates, made her appear light and polished for her visit to Pembroke Refinery.

Kate Middleton Style
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Kate Middleton Style

Kate looked bolder than ever in a paneled Temperley London dress, which she completed with a shimmering clutch and suede pumps.

Kate Middleton Style
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Kate Middleton Style

Kate's Jenny Packham wrap dress played to her signature elegance, but it was also a little risky for the duchess — she showed a lot of leg!

Kate Middleton Style
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Kate Middleton Style

Kate opted for a tailored Alexander McQueen coat dress and accessories by Jenny Packham for her first appearance since announcing her second pregnancy.