Just days before the Grammys, rumors began to swirl that Lady Gaga and Bruno Mars were tapped to perform at the ceremony last minute. But though the duo’s last collaboration, “Die with a Smile,” became a global smash hit — rising to the top spot on the Billboard Hot 100 last month — it seemed like its lyrical content might be out of place for a telecast dedicated to fundraising for Los Angeles wildfire relief.

Of course, this isn't the first time Lady Gaga and Bruno Mars have collaborated. Their surprise duet "Die With a Smile" continues to be one of the biggest radio and streaming hits out today since it's initial release last year.

At the 67th Grammy Awards, Lady Gaga and Bruno Mars performed a tribute to those affected by the recent wildfires in Southern California