"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.

The speculation continued over Grammys weekend, with fan sites positing that Gaga and Mars would perform a cover of Michael Jackson’s “Earth Song” at the show. Host Trevor Noah confirmed at the top of the show that Gaga and Mars would be serenading the audience, but conveniently left out what they’d be singing.

Grammys, Bruno Mars and Lady Gaga made a special tribute to Los Angeles with "California Dreamin'" following the devastating wildfires.