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.

Princess Diana had a specific vision for her 1996 Met Gala dress, designer John Galliano says in the new Hulu docuseries "In Vogue: The 90s."

The designer approved, noting that "the dress was much more sensuous" because of Diana's change.

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

In 1996, shortly after her divorce from Prince Charles, Princess Diana made her first and only appearance at the Met Gala. For the event, she wore custom, couture Dior, but the design ended up veering from what the brand envisioned.

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, who had just become head designer at Dior.

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

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,