On March 24, 1984, a brain, an athlete, a basket case, a princess and a criminal were stuck in Saturday detention ... and made one of the best movies ever.

Yep, we're talking about "The Breakfast Club."

In the film, the gang was stuck in the Shermer High School library exactly 30 years ago today, where they all overcame stereotypes and bonded in a way nobody would have imagined.

With breakthrough performances from Molly Ringwald, Emilio Estevez, Judd Nelson, Ally Sheedy and Anthony Michael Hall, the John Hughes film is an '80s classic, thanks to its killer cast and the soundtrack song "Don't You (Forget About Me)." 

And it did something impossible: It made detention look like fun!

So, if the stars were to reunite for a 30th high school reunion, what would they all look like now?

While Paul Gleeson (Assistant Principal Richard Vernon) and director John Hughes are sadly no longer with us, check out the gallery above to see how the rest of the cast members have changed since their teen years.

And revisit our favorite scene below:

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