The singer shared rare insight into her beauty routine, including all the products she uses for her Hit Me Hard and Soft tour Billie Eilish/TikTok ... off her post-concert face.

Dave Matthews and former Berklee School of Music student John Mayer will perform live together for the first time at FireAid.

Get ready to fall on your knees: Billie ... additional concert clip. “I also grew up in a choir, so that’s just my s---.” Fans immediately took to the comment section of Eilish's post ...