WATCH: Lady Gaga and Bradley Cooper do a spontaneous live performance of ‘Shallow’ from A Star is Born

Bradley Cooper was simply part of the audience at Lady Gaga‘s Las Vegas concert when she decided they would perform a duet together. The pair performed the song “Shallow” at the spur of the moment.

It comes from their film A Star is Born, which tells the story of an older, tougher musician falling for a younger singer. “Shallow” is the first song that they sing in the film together and is the catalyst for their relationship.

During the concert, Gaga suddenly called Cooper up to the stage after a number, saying: “So a really good friend of mine… I don’t know if you know him but his name is Bradley. He made that movie, umm, A Star Is Born. So I’m going to be a little chancey… Yo Bradley, you wanna come up and do this one?”

Although Bradley looks truly surprised to be called up to the stage, he still gamely agrees. Which is lucky for all of us, because the two gave such a genuine performance that really tugs at the heart. A commenter calls it “the most intimate platonic relationship” they’ve seen. I think that’s pretty accurate.

(Here’s the song from “A Star is Born” that will be your next LSS)

Should the pair do more live performances like this? Let us know what you think!