When it comes fashion, the Met Gala is a pretty huge deal.
What has been called the "superbowl of fashion" by Vogue magazine's André Leon Talley, brings out Hollywood's finest once a year to party in couture clothing.
Invitations to the event are super exclusive and the tickets to gala are crazy expensive. ($30,000!) So, when a star gets the chance to attend the gala, it's sort of like hitting a new milestone in their careers.
Here's a look back at what some of your favorite celebs wore to their very first Met Gala.