"I'm so honored to have a small part in your giant musical legacy," Bruno Mars told Lady Gaga upon accepting the award for best pop duo/group performanceLady Gaga and Bruno Mars won the Grammy Award for best pop duo/group performance with "Die with a Smile.

Lady Gaga and Bruno Mars threw it back to the '60s for their performance at the 2025 Grammys, singing The Mamas and the Papas' iconic hit "California Dreamin" midway through the ceremony at Crypto.com Arena Sunday (Feb.

Lady Gaga and Bruno Mars teamed up to offer an emotional tribute to those affected by the devastating L.A. wildfires with a duet of the Mamas and the Papas classic “California Dreamin'” at Sunday night’s Grammy Awards.