Lady Gaga & Bradley Cooper's 'A Star Is Born' Duet Sends Fans Off the Deep End: See 'Shallow' Reactions

Fans have been waiting for the first song from the highly anticipated A Star Is Born remake to be released, but no one was prepared for this.

Lady Gaga and Bradley Cooper's "Shallow" duet arrived Thursday (Sept. 27), and everyone headed straight to Twitter to freak out about it. While the pair's harmonies are impressive, Gaga's raw, powerful vocals are what shook fans up.

People have had all sorts of reactions, but mostly they're crying, getting chills or wishing they could throw an Oscar at Gaga right now. While you'll have to wait until the film's release day on Oct. 5 to hear the complete soundtrack, you can watch the "Shallow" video and check out some of Twitter's reactions to the stunning duet below.