Although The Chainsmokers are well into their headlining arena tour, they’re not too big to crash a high school prom.

Last night the duo showed up unannounced at Huntley High School’s prom in Chicago before playing Allstate Arena right across the street. It’s a little hard to believe it wasn’t pre-planned, but it looks like most of the students did not see this coming.

In case the teen inside of you feels like it missed out, we have a recap for you right here!

It almost makes us wish we were back in high school… almost. Here are some other highlights from Twitter recapping the night!