Appearing at a high-profile state dinner, Kate stunned guests in a figure-hugging, intricately embroidered gown with daring side slits rarely seen in her signature royal style.

Princess Kate's rainbow mesh gown was her most boundary-pushing dress yet

Kate Middleton, wearing a yellow blazer, smiles brightly while holding a bouquet of flowers.

Kate Middleton, wearing a yellow blazer, smiles brightly while holding a bouquet of flowers.© Getty Images

Over the past few years, the Princess of Wales has made a conscious decision to stop sharing her fashion credentials with fans and has quietly transitioned to a more low-key, muted wardrobe after she felt the public interest in her fashion was detracting from her work.

Despite continuing to have the occasional show-stopping moment for high-profile events, they seem to be fewer and farther between. With the change so incremental, it can be hard to remember how daring Kate’s style was when she first married Prince William – but we’ve rifled through unearthed photos to discover what appears to be the dress that pushed the boundaries of royal dressing to the max.

The royal looked striking for a dinner with King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema in 2016

The royal looked striking for a dinner with King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema in 2016

A memorable choice for a royal tour

During Prince William and Princess Kate’s royal tour of Bhutan in 2016, they attended a private dinner with King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema, allowing Kate to showcase her sartorial prowess.

The Princess of Wales' dress boasted two leg splits running up either side of the skirt

The Princess of Wales’ dress boasted two leg splits running up either side of the skirt

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Photos show the beaming royal arriving in a heavily embroidered mesh column dress from American designer Tory Burch. Beading in bright orange and white encased the floor-length gown from top to bottom, perhaps alluding to the country’s flag as an intentional display of diplomatic dressing.

Final features included a keyhole neckline and two leg splits running up either side of the skirt, which allowed Kate to show off her strappy black heels. A burnt orange shawl was draped across her shoulders for a modest look, which later earned praise from fashion designer Tory.

Princess Kate's dress is hands-down one of her best to date

Princess Kate’s dress is hands-down one of her best to date

Reacting to Kate wearing the piece from her 2016 resort collection, she told HELLO! at CHANEL’s annual Tribeca Film Festival Artists Dinner in New York City: “I was thrilled! She looked beautiful.”

She added: “I’m a big fan [of Kate]. I find her to be elegant and just super chic.”

A burnt orange shawl was draped across her shoulders

A burnt orange shawl was draped across her shoulders

Diplomatic dressing

The Princess’ ability to turn her colourful wardrobe into a quiet form of diplomacy has not gone unnoticed, regularly matching her clothes to a nation’s flag in a subtle, intentional way.

British fashion designer Amanda Wakeley OBE previously told HELLO!: “It’s rarely handled in a literal way”, adding: “They come across as thoughtful acknowledgements rather than bold statements.

Kate wore red for the French state banquet in 2025

Kate wore red for the French state banquet in 2025

“It’s a very measured way of signalling awareness and respect, without ever tipping into anything overt.” Examples include her red Sarah Burton for Givenchy gown for the 2025 French state banquet – by picking just one key colour rather than all three, her look was elegant yet nuanced.

As stylist Oriona Robb put it: “This style of dressing reflects a modern evolution of royal fashion. It’s no longer just about looking appropriate or polished, it’s about fashion storytelling and connection.

“In moments like this, fashion becomes a quiet bridge between cultures, and the Princess of Wales is using it with increasing confidence and sophistication.”

Princess Kate’s recent style overhaul

In recent weeks, the Princess of Wales has returned to her more playful sartorial style, experimenting with silhouettes and going bolder and brighter with her colour palette.

The Princess of Wales has returned to a more modern, playful style of late

The Princess of Wales has returned to a more modern, playful style of late

Case in point: her gorgeous Temperley dress worn to support Prince William at his charity polo match at the Guards Polo Club in Windsor. Playful, modern and sleeveless, the on-trend print and scoop neckline gave it a more youthful vibe than Kate’s trademark midi dresses.

The garment’s A-line skirt ensured the look remained modest, while being weather-appropriate for the UK heatwave.