Eilish received a standing ovation, after bringing the audience to tears during her performance.
Billie Eilish crashes Cynthia Erivo's interview as she chats with ET at the 96th annual Academy Awards, airing on ABC.
Billie Eilish and Finneas chat with ET's Nischelle Turner and Kevin Frazier at the 96th annual Academy Awards, airing on ABC.
The Oscar winner wowed while on the red carpet showing off her librarian look.
Check out all the official performers for the 96th Academy Awards.
Billie Eilish signed Melissa McCarthy's face as they presented at the 2024 Screen Actors Guild Awards, which aired live on Netflix.
The women were presenting the Outstanding Performance by a Female Actor in a Comedy Series award during the hilarious moment.
ET breaks down all the major moments from the 2024 GRAMMYs, which aired on CBS and Paramount+.
The singer made a statement in her vintage jacket, and you can find similar styles at Walmart, Cotton On and Etsy.
From Taylor Swift's night of fun and frivolity to Billie Eilish's confessions, here's what happened when the cameras weren't rolling.
Both women took home GRAMMY wins on Sunday night.
Billie Eilish and Finneas chat with ET backstage at the 66th Annual GRAMMY Awards, which aired Sunday on CBS and Paramount+.
Billie Eilish performs 'What Was I Made For?' at the 66th Annual GRAMMY Awards, which aired Sunday on CBS and Paramount+.
The singer is up for six awards at music's biggest night.
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