Billie Eilish and her brother and collaborator Finneas paid tribute to Altadena, which was one of the communities devastated in the Los Angeles fires. Performing against a backdrop of the San Gabriel Mountains and Eaton Canyon, the duo delivered a soaring rendition of “Birds of a Feather” at Crypto.com Area.

Sunday's telecast capped off a music-filled weekend in Los Angeles, between Clive Davis' pre-Grammys gala with Barry Manilow and Post Malone, and the all-star benefit concert for California wildfire relief,

Billie Eilish performed 'Birds of a Feather' at the Grammys and got Taylor Swift and Margaret Qualley on their feet dancing to the hit song.