The two singers took over the stage at the Asics-sponsored bash and performed “Pony” by Giniwine together.
Bruno also covered songs from Led Zeppelin, Bobby Brown, and Poison!
The 25-year-old Grammy-nominated singer then pulled Keri Hilson up on stage and dueted on his song “Grenade.” Far East Movement later joined the two to sing their hit song “Like a G6.”
Check out some of the performances below!
Bruno Mars Performs at Pre-Grammy Celebration