Discussing the last 'Til the day that I die' ad-lib with Apple Music, Billie said: "That's the highest I've ever belted in my life. I'm so proud of that." Billie Eilish - BIRDS OF A FEATHER ...

Billie Eilish, Lady Gaga, Olivia Rodrigo and other stars will perform Thursday at FireAid, a benefit concert to raise funds ...

“I’ve been completely changing the way that my life is involving fitness,” the Grammy-winning artist told Zane Lowe during an Apple Music interview ... on stage now,” Billie continued.

Billie Eilish and Finneas performed acoustic renditions of "Wildflower," "The Greatest," and "Birds of a Feather" at FireAid.