Black and White Elegance
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Kate Middleton and Queen Máxima both chose elegant Roland Mouret outfits—Kate opted for the dress version, while Máxima chose the jumpsuit style.
Left: Kate at the premiere of Top Gun: Maverick at Odeon Leicester Square in London, England, May 2022.
Right: Máxima attends the new season of the Concertgebouw orchestra in Amsterdam, Netherlands, September 2017.
A Floral Frock Fit for Two Royals
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Zara Tindall (Queen Elizabeth’s granddaughter) attended the Platinum Jubilee celebrations in London wearing a floral dress by Zimmermann that had been worn by none other than Princess Mary of Denmark to Princess Ingrid Alexandra’s confirmation in August 2019.
Left: Zara Tindall attending the Platinum Jubilee Pageant in June 2022.
Right: Mary, Crown Princess of Denmark wearing the Zimmermann Honour Floral Belted Midi Dress in August 2019.
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Preppy Striped Shirt
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While not a dress, both the Duchess of Sussex and the Princess of Wales have worn this exact same striped Ralph Lauren button down.
Left: Meghan at Wimbledon, July 2018.
Right: Kate on an engagement, July 2025.
A Royal-Approved Fit-and-Flare
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Princess Beatrice and Sophie Winkleman (wife to Lord Fredrick Windsor, who is the son of Queen Elizabeth’s cousin Prince Michael of Kent) unexpectedly twinned in the same Beulah London “Ahana Chambre” dress, but in different colors, for The Queen’s Platinum Jubilee Service of Thanksgiving in London on June 3, 2022.
Left: Princess Beatrice opted for a blue version of the dress.
Right: Winkleman brightened things up in hot pink.
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Sparkling in Green
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Princess Beatrice and Duchess Kate wore similar emerald dresses from cool-girl brand, The Vampire’s Wife.
Left: Princess Beatrice was first to sport the look, seen here attending The Dior Sessions book launch afterparty on October 1, 2019 in London.
Right: A year later, Catherine, Duchess of Cambridge, made the dress her own at Guinness Storehouse’s Gravity Bar in Dublin during the first day of her Ireland visit on March 3, 2020.
Graceful in Lace 
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This Self-Portrait gown looked stunning on both Kate and Princess Sofia, who opted to accessorize with different pins for their specific events.
Left: Catherine, Duchess of Cambridge, attends the U.K. Premiere of A Street Cat Named Bob in aid of Action On Addiction at The Curzon Mayfair on November 3, 2016 in London, United Kingdom.
Right: Princess Sofia of Sweden attends for a State Banquet in honor of South Korea’s presidential couple at the Royal Palace in Stockholm on June 14, 2019.
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Classy Cape Dress
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Both Meghan Markle and Queen Letizia looked stylish in this Stella McCartney cape dress.
Left: Meghan Markle celebrates Queen Elizabeth’s 92nd birthday at Royal Albert Hall in London on April 21, 2018.
Right: Queen Letizia of Spain attends the Innovation and Design Awards on February 6, 2017 in Alcala de Henares, Spain.
One-Shouldered Beauties
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This white Stella McCartney gown transformed Princess Charlene and Queen Maxima into Grecian goddesses.
Left: Princess Charlene of Monaco walks the red carpet before the 2018 Laureus World Sports Awards ceremony on February 27, 2018.
Right: Queen Maxima of The Netherlands leaves the Royal Palace after the annual gala diner for the Diplomatic Corps on April 9, 2019 in Amsterdam.
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A Royal Favorite
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Designer Jenny Packham’s gowns are a royal favorite, and not just of the Brits. Here are four different occasions when princesses wore her style:
From left to right: Alexandra Princess of Sayn-Wittgenstein-Berleburg celebrates Queen Margrethe’s 40th jubilee in a crimson version of Jenny Packham’s dress back in January of 2012.
Princess Alexandra of Luxembourg attends the wedding of Prince Felix of Luxembourg and Claire Lademacher wearing a purply-blue gown on September 21, 2013.
Catherine, Duchess of Cambridge, arrives at the Tusk Conservation Awards in November 2018 wearing jade green version of the dress.
Princess Madeleine of Sweden attends a gala in New York in the same number in October of 2013.
Summer Florals
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Both Zara and Queen Mary wore this ME+EM maxi dress in July 2024; Zara wore it to Wimbledon, while the Danish queen chose it arriving to the royal family’s summer residence, Graasten Palace.
Left: Zara at Wimbledon, July 2024.
Right: Mary in Graasten, July 2024.
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A Sight in White
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Princess Isabella of Denmark looked just as stylish as her mother, Princess Mary, in a white Max Mara blazer and matching trousers.
Left: Princess Mary wears the white ensemble for an engagement in Stockholm on May 29, 2017.
Right: Princess Isabella, 15, chooses the same outfit as her mom for her confirmation at Fredensborg Palace Church on April 30, 2022.
A Pastel Pink Look
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From its color to its fit, this Emilia Wickstead dress looks nearly identical on both royals, minus their fascinators.
Left: Sophie Countess of Wessex attends Royal Ascot Day 1 at Ascot Racecourse on June 19, 2018.
Right: Princess Beatrice Windsor during Trooping The Colour, the Queen’s annual birthday parade, on June 8, 2019.
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Keyhole Neckline
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This cream Hugo Boss dress, with its pleated skirt and keyhole neckline, is simple yet stunning.
Left: Princess Sofia of Sweden arrives at Stockholm’s Royal Palace to attend the Te Deum Thanksgiving Service.
Right: Queen Letizia of Spain, who belted the dress, attends an event at Madrid’s Royal Spanish Academy on June 22, 2017.
Ladies in Red 
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These princesses look bold and beautiful in this Raquel Diniz dress.
Left: On left, Crown Princess Mary of Denmark arrives at the Royal Danish Academy of Fine Arts in Copenhagen in August 28, 2018.
Right: One year prior, Crown Princess Mette-Marit of Norway attends the opening of the exhibition “Towards the Forest—Knausgaard on Munch” in Oslo, Norway in May 2017.
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Sisters Who Share
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Even royals like Charlotte Casiraghi and Princess Alexandra of Hanover get their sister’s hand-me-downs.
Left: Charlotte wore the blue-green dress on July 12, 2005 for her uncle, Albert II’s, coronation.
Right: Fourteen years later, on May 2, 2019, Alexandra dug the dress out of the archives for an Alberta Ferretti fashion show in Monte Carlo.
Lacey Sleeves
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Though from different designers, these two outfits resemble each other in more ways than one.
Left: Catherine, Duchess of Cambridge arrived for the 2014 Royal Variety Performance wearing Diane von Furstenberg’s Zarita dress. In November of 2017, she rewore the dress to a charity gala at Kensington Palace.
See that look, here.
Right: Before she was royal, the Duchess of Sussex attends an event for USA Network in 2012, wearing a shorter, navy blue version of the Zarita, two years before Duchess Kate stepped out in the style.
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Flower Power
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Even with their very different choices in accessories, both royals shine in this Giambattista Valli number.
Left: Queen Maxima of the Netherlands, left, arrives the Tilburg Theater for the Kingsday concert on April 4, 2017.
Right: HRH Princess Madeleine of Sweden wears the same dress to the World Childhood Foundation Thank You Gala on October 3, 2018 in New York City.
Pop of Color
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With its delicate flower design and intricate colors, this Vilshenko look is one to remember.
Left: Princess Mary of Denmark attends a business seminar at Hotel Gajoen Tokyo, wearing the dress in October 2017.
Right: Princess Charlene of Monaco sported the look one year earlier, though she styled with black pumps as opposed to nude, at Monaco’s traditional end-of-summer picnic in September of 2016.
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Daring Jumpsuits
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Both royals took a fashion risk with this Valentino look—and it paid off.
Left: Queen Maxima of the Netherlands attends the opening of the new season of the Koninklijke orchestra in Amsterdam back in September of 2015.
Right: Princess Charlene of Monaco also wore the look that fall to a Red Cross Gala in Monte-Carlo.
A Champagne Dream
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This light, sparkly Erdem frock pairs perfectly with just about anything.
Left: Catherine, Duchess of Cambridge, attends a reception in February 2017 to mark the launch of the UK-India Year of Culture.
Right: Crown Princess Mette-Marit of Norway wore the same dress at the Canadian Museum of History back in November 2016.
Jennifer Newman is the Senior Visual Editor at Town & Country.
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