Bruno Mars is helping open the new Intuit Dome!

On Thursday night (August 15), the 38-year-old Grammy-winning “Uptown Funk” entertainer performed during the grand opening of the new sports venue in Inglewood, Calif.

During his headlining set, Bruno brought out Lady Gaga for a surprise performance of their new duet “Die With A Smile,” which the two released just a few hours earlier.

Keep reading to find out more…“Ladies and gentlemen, put your hands together for the icon, pop royalty, Lady Gaga. You guys are gonna be the first to hear us play this song live,” Bruno said as Gaga, 38, came out on stage to a thunderous applause while wearing a large blonde wig, a shiny white and pink mini dress, white tights, and white heels.

Along with releasing the new song, and the accompanying music video, Gaga and Bruno released a press statement where they gushed over working with each other.