10 Royals Who Are Just As Stylish As The Duchess Of Cambridge

HER SERENE HIGHNESS, THE PRINCESS OF MONACO

The last person to hold the title of Her Serene Highness was Grace Kelly, Charlene's mother-in-law.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF SWEDEN

Princess Victoria is the eldest daughter of King Carl XVI Gustaf and the heir apparent to the throne. The 39-year old is pictured here with her daughter, Princess Estelle, wearing a summery dress by Ralph Lauren.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF SWEDEN

Here she is at the wedding of her sister Princess Madeleine, in Fadi El Khoury Couture, with her husband and son.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF SWEDEN

She's godmother to 18 of Europe's up-and-coming young royals, hence her nickname, "The Godmother of Europe."

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF SWEDEN

Once Princess Victoria takes the throne, she'll be the first woman to do so in Sweden since the 1700s, and she'll do so in style. Here she is mixing prints for a stylish yet conservative look.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF SWEDEN

For her son Oscar's baptism, she chose a white broderie anglaise dress and matching hat and shoes. She's active in children's charities in Sweden, including her own, the Crown Princess Victoria Fund, which puts money toward recreational activities for children with chronic illness.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, PRINCESS SIRIVANNAVARI NARIRATANA OF THAILAND

This 20-something princess of Thailand loves fashion and is a designer herself under the Sirivannavari label.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, PRINCESS SIRIVANNAVARI NARIRATANA OF THAILAND

She is the only daughter of Crown Prince Maha Vajralongkorn, and has four brothers.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, PRINCESS SIRIVANNAVARI NARIRATANA OF THAILAND

She's been spotted front row at couture shows, such as Chanel (pictured here) and Christian Dior, and is a devotee and supporter of Balmain.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, PRINCESS SIRIVANNAVARI NARIRATANA OF THAILAND

Her grandmother, Her Majesty Queen Sirikit, was known as the "Queen of Thai Silk," and seems to have passed her sartorial leanings down to her granddaughter, who often cites her family as inspiration for her fashion collections.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, PRINCESS SIRIVANNAVARI NARIRATANA OF THAILAND

When not attending fashion shows, you can find her on the equestrian circuit—one of her horses is cheekily named "Prince Charming."

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER HIGHNESS SHEIKHA MOZAH BINT NASSER AL MISSNED

The wife of Qatar's Emir Sheikh Hamad bin Khalifa al Thani, Sheika Mozah currently lives in Doha, Qatar and is known worldwide for customising couture looks to meet Middle Eastern modesty standards.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER HIGHNESS SHEIKHA MOZAH BINT NASSER AL MISSNED

She's also the owner of Le Tanneur, a French leather goods manufacturer, and has been awarded nine honorary titles across the world, having been named an honorary dame for six of them.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER HIGHNESS SHEIKHA MOZAH BINT NASSER AL MISSNED

She's often cited as one of the most elegant women the world. For an official engagement in Spain (pictured here), she wore custom Chanel couture.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER HIGHNESS SHEIKHA MOZAH BINT NASSER AL MISSNED

The designs of Jean Paul Gaultier, Hermes, and Giambattista Valli have all been seen on the royal, and some say she is the most sartorially influential woman of power since Jackie Kennedy.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER HIGHNESS SHEIKHA MOZAH BINT NASSER AL MISSNED

Here, she's had a Valentino couture cape and dress customised, which she then accented with oversized David Webb jewellery.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY THE QUEEN OF THE HASHEMITE KINGDOM OF JORDAN

Queen Rania, as she's often called informally, is the Queen consort of Jordan. Kuwati-born to Palestinian parents, she studied at the American University in Cairo.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY THE QUEEN OF THE HASHEMITE KINGDOM OF JORDAN

She's been able to use social media to help promote her charitable causes, including education, health, and children. She's served on the boards of many influential organisations such as UNICEF and the United Nations Foundation.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY THE QUEEN OF THE HASHEMITE KINGDOM OF JORDAN

A devout Muslim, Rania dresses accordingly, with long sleeves and knee-length or longer skirts, like this one from Proenza Schouler. On a trip last year to Spain, she and Queen Letizia went head-to-head in a royal fashion face-off.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY THE QUEEN OF THE HASHEMITE KINGDOM OF JORDAN

For the 70th anniversary of Jordan's independence in 2015, she chose one of her favourite designers, Hama Fashion, for a complex and structural gown.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY THE QUEEN OF THE HASHEMITE KINGDOM OF JORDAN

A deep teal chiffon gown and ornamental gold headband helped her ring in the celebration of the centennial of the great Arab revolt earlier this year.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF THE NETHERLANDS

Queen Maxima grew up in Buenos Aires before meeting the would-be King Willem-Alexander at an event in Spain. She's pictured here wearing a bohemian-printed Etro jumpsuit.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF THE NETHERLANDS

Dutch is her third language after her native Spanish and English; her taste embraces both the trendy and the conservative, like this jacket-and-hat combo for an official engagement in Germany this year.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF THE NETHERLANDS

She's a busy mother of three children, but devotes time to causes associated with those immigrating to the Netherlands just as she did, and she's often seen sporting shades of orange, the official colour of the Dutch Royal Family.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF THE NETHERLANDS

She's unafraid to take risks, such as this tropical-print shift dress.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF THE NETHERLANDS

She embraces both bright color and standby neutrals, as evidenced by this portrait of her and King Willem-Alexander at their home. And like the Duchess of Cambridge, she appreciates fast fashion—her blouse is from COS.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF DENMARK

The wife of the heir apparent to the Danish crown, Princess Mary is a commoner just like Duchess Kate. She's of Scottish descent, but was raised in Australia, and met the prince in a pub in Sydney in 2003.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF DENMARK

For a vacation in Mallorca, Spain, she's chosen a simple, no-frills maxi dress.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF DENMARK

A practical princess, she's worn this Jesper Høvring gown several times this year.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF DENMARK

Princess Mary is pictured here in a SEA NY bohemian dress, sweater and heels for her family's annual summer photo.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS, THE CROWN PRINCESS OF DENMARK

She's a busy mother of four, but that doesn't stop her from supporting Denmark's third largest export: fashion (she's pictured here at Copenhagen Fashion Week). The Princess has always maintained an air of approachability; Copenhagen residents often see her riding around on her bike with her children.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS THE CROWN PRINCESS PAVLOS OF GREECE, PRINCESS OF DENMARK

Born in London and raised in Hong Kong before attending boarding school in Switzerland, Princess Marie-Chantal, as she's known informally, is a princess two times over. She's married to Crown Prince Pavlos of Greece, and the "Princess of Denmark" moniker comes from her husband's title in Denmark.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS THE CROWN PRINCESS PAVLOS OF GREECE, PRINCESS OF DENMARK

Since 2000, she's operated an upscale children's line called Marie-Chantal. She's pictured here in Valentino for the wedding of her husband's cousin, Princess Madeleine of Sweden.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS THE CROWN PRINCESS PAVLOS OF GREECE, PRINCESS OF DENMARK

The couple lived in Greenwich, Connecticut and New York City before moving to London. Again, the Princess is wearing Valentino here–Mr. Valentino is a good friend of hers.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS THE CROWN PRINCESS PAVLOS OF GREECE, PRINCESS OF DENMARK

The glamorous couple makes the international rounds, such as the Vanity Fair Oscars Party in 2015, where Marie-Chantal wore Alexander McQueen.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER ROYAL HIGHNESS THE CROWN PRINCESS PAVLOS OF GREECE, PRINCESS OF DENMARK

Marie-Chantal looks just as elegant in a casual look like this one. The seemingly ageless princess is a mother to five children, the eldest of which, Maria-Olympia, is coming into her own as a style star.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF SPAIN

Queen Letizia is a fashion icon in her native Spain, unafraid of style risks like these leather culottes from Spanish fast fashion brand Uterque.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF SPAIN

She's an avid supporter of Spanish labels, such as couturier Felipe Varela and fast-fashion brands like Zara and Mango. Her skirt here, which she's worn before, is from Boss.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF SPAIN

Like many royals, she's a fan of pastels and romantic florals, and like Duchess Kate, she confidently mixes affordable brands and luxury pieces, such as the above dress from Zara, which she paired with Prada pumps.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF SPAIN

She's frequently seen in light, streamlined neutrals, like this pink shell and white-pants combo from Boss.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER MAJESTY, THE QUEEN OF SPAIN

Queen Letizia does European casual well, too–here she is in summery white pants and a striped white and navy top with her daughter, Princess Leonor.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

PRINCESS DEENA AL-JUHANI ABDULAZIZ

Not one to rest on her title, this Saudi princess is a shrewd businesswoman. She's the first Editor in Chief of Vogue Arabia, and owns two members-only stores called D'NA in the Middle East that cater to private clients.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

PRINCESS DEENA AL-JUHANI ABDULAZIZ

She married into royalty; her husband is Prince Sultan bin Fahad bin Nasser bin Abdulaziz.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

PRINCESS DEENA AL-JUHANI ABDULAZIZ

She's a favorite of street style photographers for her daring looks. Here, she is pictured ere at the Delpozo Spring 2016 show in a striking yellow shirtdress.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

PRINCESS DEENA AL-JUHANI ABDULAZIZ

Princess Deena Al-Juhani Abdulaziz is a former New Yorker; she and her royal husband used to reside on the Upper West Side before relocating to Riyadh.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

PRINCESS DEENA AL-JUHANI ABDULAZIZ

A nurturer of young fashion talent, she's been one of the first to buy young designers such as Prabal Gurung and Jason Wu for her stores.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER SERENE HIGHNESS, THE PRINCESS OF MONACO

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER SERENE HIGHNESS, THE PRINCESS OF MONACO

She's pictured here at one of Monaco's largest events, the Red Cross Ball, in a one-shoulder red jumpsuit from Valentino.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER SERENE HIGHNESS, THE PRINCESS OF MONACO

The 2015 Princess Grace Awards was an opportunity for her to wear one of sponsor Christian Dior's couture looks.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge

HER SERENE HIGHNESS, THE PRINCESS OF MONACO

She favours Akris and Armani for official engagements.

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10 Royals Who Are Just as Stylish as the Duchess of Cambridge