As the first of the two-part Wicked films officially hit theaters, a debate about movie theater etiquette has sparked online. Social media users have argued over whether or not it’s OK to sing along to the movie musical,

Got to belt it out? Here's how you can get around the no singing policy in "Wicked" movie screenings. It's gonna be popular.

As anticipation built for the film’s release Friday, some fans who have attended early screenings have ignored theater norms.

Cynthia Erivo and Ariana Grande are good to go in "Wicked." You, on the other hand, will need to hold off on singing until you exit the movie theater.

The theater chain will air 30-second ad ahead of showings that implores the audience not to sing along to the show’s hits—even “Popular.”

You might be eager to defy gravity, but please don't sing about it during the new "Wicked" movie releasing this week. Why it matters: Some movie theaters and loyal fans are warning against belting out the lyrics and singing with Ariana Grande as Glinda and Cynthia Erivo as Elphaba — at least until a sing-along version is released later this year.