LOUISIANA, USA — Prom season always brings surprises, but this moment? Straight out of a movie.

Editor's Note: A previous version of this story incorrectly stated that the celebrity appearance occurred at Fairfax High School in Virginia. It actually took place at a school in Louisiana.

Over the weekend, students were dancing, snapping selfies, and soaking in the usual prom night magic—until it became anything but usual. Out of nowhere, in walked none other than Benny Blanco.

Yes, that Benny Blanco — the Grammy-nominated music producer behind hits with Justin Bieber, Ed Sheeran, and Halsey. The Reston, Virginia-raised hitmaker. The South Lakes High School alum who went from Northern Virginia hallways to Hollywood studios.

Blanco strolled into the Louisiana school unannounced. Gasps, scr

See Full Page