Eilish was the surprise winner of Record of the Year.
See the best fashion moments from the star-studded GRAMMY performances.
ET spoke with Finneas ahead of the 63rd annual GRAMMY Awards, airing Sunday on CBS.
The musician performs 'Everything I Wanted' during the awards show opening.
The 19-year-old singer took the stage at Sunday's GRAMMYs.
ET looks back at GRAMMY Best New Artist Winners from the past.
Billie Eilish is nominated for four GRAMMY Awards. The 63rd annual GRAMMYs air March 14 on CBS.
In honor of International Women's Day, ET is celebrating stars making a difference.
The GRAMMY winner's new documentary drops on Thursday, Feb. 25.
'Billie Eilish: The World's a Little Blurry' gives a candid, behind-the scenes-look at the young star's rise to success.
The singer takes fans behind the scenes in her new documentary -- including the moment she met Bieber in person!
The new film chronicles Eilish's meteoric rise to superstardom, from 'Bad Guy' to her GRAMMYs sweep.
On today's ‘The Download,’ Lady Gaga’s dog walker is shot and wounded, plus, Tayshia Adams is in no rush to walk down the aisle.
The musician launches new merch styles for her upcoming documentary.
