AWARD SHOWS, Blog · February 21, 2020Billie Eilish In Gucci @ 2020 Academy Awards Billie Eilish attended the 2020 Vanity Fair Oscar Party on Sunday night (February 9) at the Wallis Annenberg Center for the Performing Arts in Beverly Hills, Calif. Billie Eilish wore custom head-to-toe Gucci for her performance . Author: fashionsizzle