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.

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.

Lady Gaga and Bruno Mars took the stage at the 2025 Grammy Awards to perform a tribute to the victims of the California wildfires. Watch their cover of the Mamas & the Papas’ “California Dreamin’” below.

Lady Gaga and Bruno Mars took a nostalgic trip to pay tribute to Los Angeles. The pair performed a cover of The Mamas & The Papas’ ‘California Dreamin’ as they took the stage at the Crypto.com Arena for a special duet at the 67th Grammy Awards in honor of those impacted by the recent wildfires.

Bruno Mars and Lady Gaga are performing a tribute to L.A. after the city's wildfires at the 2025 Grammys, the recording academy announced on Instagram, on Friday, Jan. 31.

Viewers were left in tears after Bruno Mars and Lady Gaga's touching Grammy Awards tribute to those affected by the Los Angeles wildfires

Lady Gaga and Bruno Mars will perform a solemn tribute at the Sunday, Grammy Awards following the Los Angeles wildfires

Lady Gaga and Bruno Mars will honor Los Angeles and victims of the recent wildfires during the 2025 Grammy Awards. "@BrunoMars and @LadyGaga will take the #GRAMMYs stage this Sunday and perform a special tribute to the city of Los Angeles and those affected by the wildfires,