A £30 Slip Dress Created by a Design Student at the University of St. Andrews Somehow Cemented the Future of the British Monarchy

Who knew a piece of see-through lingerie worn at a charity college fashion show would cement the future of the British monarchy? Prince William and Kate Middleton had been friends since 2001 and their initial introduction as first-year students at the University of St. Andrews (even becoming roommates at one point), but when Kate took to the runway in a risqué number, William saw Kate in a different light. (This is timely because it will all play out in part two of season six of Netflix’s The Crown; the final four episodes of the show drop tomorrow and will cover the royal family up to 2005.)

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In March 2002, at a fashion show aptly titled “The Art of Seduction,” normally shy Kate (who would later admit to blushing whenever she saw William around campus) took to the catwalk in a sheer number alongside her fellow students. William paid £200 pounds to attend the fashion show, surely never knowing that it would be a turning point moment in his life. As Kate walked down the runway, William was “left so utterly gobsmacked” by Kate (as The Mirror puts it) that he turned to his friend Fergus Boyd and said four words that would ultimately lead to his marriage and, on a broader scale, the continuity of the British monarchy for the next generation (via William and Kate’s eldest child, Prince George): “Wow, Fergus, Kate’s hot.” Poetic, no?

“She was in a very daring dress, in a sheer, stocking-like dress,” William’s friend Pat Duncan told E! News in 2011. “He was sitting front row, and his eyes were like stalks.”

The dress Kate Middleton wore to the fashion show where Prince William fell for her

Enamored by Kate’s bold look, it was that night he reportedly made his feelings known to her at the fashion show’s after party, even allegedly leaning in for a kiss. “It was clear to us that William was smitten with Kate,” a party-goer told Vanity Fair’s royal correspondent Katie Nicholl. “He actually told her she was a knockout that night, which caused her to blush. There was definitely chemistry between them, and Kate had really made an impression on William.”

As to the attempted kiss, Kate demurred and pulled away. In the source’s view, the future Princess of Wales “didn’t want to give off the wrong impression or make it too easy on Will.”

Kate Middleton and Prince William in 2007

Life is weird, and somehow, a £30 slip dress opened William’s eyes to Kate as more than a friend, which then kickstarted their romance, which then resulted in their marriage, which then resulted in the birth of George and the continuity of this endlessly intriguing monarchy. Design student Charlotte Todd—who designed the sheer dress—didn’t know who Kate was at the time of the show but is happy to be a part of her royal love story: “I’m thrilled,” she told People. “Everyone says that the fashion show was when the romance started, so a small part of me will always be part of royal history. It’s madness!”

The dress, by the way, sold for an incredible £65,000 at auction in 2011, nine years after its creation by a design student at the University of St. Andrews.