She'll join fellow honorees Taylor Swift, Alanis Morissette, Brandi Carlile and Nicki Minaj at the "Women in Music" event Thursday, Dec. 12, at the Hollywood Palladium in Los Angeles.
At 17, Eilish is Billboard's youngest-ever "Woman of the Year" recipient, and is the first artist born in the 21st century to top the Billboard 200 albums chart with her acclaimed debut "When we All Fall Asleep, Where do We Go?"
She won two 2019 American Music Awards, for Best New Artist and Favorite Artist, Alternative Rock.
"Billie has disrupted the entertainment industry through her music and social media platforms, leaving an indelible impact on the global cultural zeitgeist," said Hannah Karp, Billboard's editorial director.
"Her ability to speak to the Gen-Z population, making teens and young adults feel accepted in today's society has quickly allowed Billie to grow to the top of the charts, breaking the mold for this generation with her electric hair-color and sharp attitude."