Zendaya wore a vintage John Galliano dress ... Ahead of the Metropolitan Museum of Art's annual fundraising ball, Anna Wintour hosted a pre-Met Gala dinner in New York City on Sunday night.

The actress, 27, brought her fashion A-game as she wore a breathtaking vintage John Galliano gown ... co-chairs for this year's Costume Institute Gala along with Jennifer Lopez, Bad Bunny ...