Cover Rihanna in Guo Pei at the 2015 Met Gala. The theme was "China: Through the Looking Glass". (Photo: Instagram/@metmuseum and @badgalriri)

In case you haven't heard, the iconic Met Gala will make a glamorous return in September 2021. After a year long hiatus, we can't wait to see what sensational styles the guests will pull off at this year's event with the theme 'In America: A Lexicon of Fashion'. Meanwhile, here's a refresher of the best looks that have graced the red carpet of the Met Gala in the last five years.