And he wasn't the only celeb to do so!
The gay coming-of-age film received rave reviews and grossed nearly $12 million during its opening weekend.
The gay, teen rom-com has a wider release than other queer movies in recent years, and that's a big deal.
"I became more cognizant of it even as we made it."
The director of Love, Simon reveals his favorite moment from the film.
"I was in a really shitty, dark place."
"The film allows audiences to see what active advocacy looks like."