At a charity golf tournament, Bill Murray stepped on stage to join Chris Young for a surprise duet.

Chris and Bill teamed together for their 18-hole round at the 17th Annual Murray Bros. Caddyshack Charity Golf Tournament. It seems like they ended up getting along very well, as the actor stepped on stage with Chris to sing an old-time country song.

Chris posted a picture of the two on Instagram with the caption, “Enjoyed last night way too much! Cheers!”

https://www.instagram.com/p/BiHY3OKnSc_/?utm_source=ig_embed

Related: Cassadee Pope And Chris Young Reunite On Stage [VIDEO]

The golf tournament has raised over $4 million throughout its 17 years of existence, reports Sounds Like Nashville. The donations are spread throughout a number of different organizations picked by the celebrities who participate in the round.

See Bill and Chris perform below.