Here's everything you need to know. Widely regarded as one of the most significant sartorial fixtures of the year, the annual Met Gala never fails to spark excitement among fashion aficionados. The Met Gala 2020 theme has just been announced, and I'm kind of freaking out. The 2020 Met Gala theme has been officially announced, and it's "About Time: Fashion and Duration," which should make for a very interesting turnout. The Costume Institute’s 2020 exhibition, About Time: Fashion and Duration, showcases 150 years of fashion history culled from its archive and presented along a “disruptive” timeline.