When Princess Diana ascended the iconic steps at the Metropolitan Museum of Art in December 1996 for what would be her sole Met Gala appearance, she turned heads in a slinky navy blue column dress designed by John Galliano for Dior, complete with lingerie-like black lace straps and trim.

“I remember one day we all jumped into this old van, and we went to London, where we met Princess Diana,” Galliano recalled in the new Hulu docuseries In Vogue: The 90s, per Page Six. “She’d been invited to the Met, and she would wear one of my dresses.”

John Galliano, the designer behind Princess Diana's Met Gala dress, opened up abou the Christian Dior look in a new documentary.

Princess Diana was known for pushing boundaries, especially when it came to fashion. One of the royal's most iconic looks — a lingerie-inspired slip dress that she wore to the 1996 Met Gala — was designed by John Galliano,

John Galliano has recalled how Diana, Princess of Wales "ripped" the corset out of the custom-made gown she wore to the 1996 Met Gala. In an interview for docuseries In Vogue: The 90s, the fashion designer recounted how he was invited by the British royal to Kensington Palace in London in the lead-up to the annual event to create a bespoke number

The designer, who dressed the late Princess of Wales for her one and only Met appearance, spoke about her Dior look in the new series 'In Vogue: The 90s'

Princess Diana made her one and only Met Gala appearance iconic in 1996, but she was a little frazzled behind the scenes! Shortly after her divorce from then-Prince Charles, 75, Diana decided to make a bold statement by wearing a navy blue silk slip dress with a black lace accent designed by John Galliano,

Princess Diana knew how to make a statement with her fashion choices, and after her divorce from Prince Charles, she was in a rebellious mood when it came to her statement wear. The 1996 Met Gala was no exception,