Princess Diana made a bold fashion statement. The late royal turned heads during the 1996 Met Gala when she stepped out on the red carpet wearing an unforgettable satin dress. Designer John Galliano recalled working with the Princess of Wales on her iconic look moments before the world’s most prestigious and glamorous fashion event.

If you’re a fan of Princess Diana, or Met Gala history, or both, then you know that the late Princess of Wales attended the event only once, back in 1996. At the event, which paid homage to Christian Dior,

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.