Billie Eilish and her brother and co-producer Finneas took the the stage at the 2020 Academy Awards earlier this evening to perform a cover of The Beatles' "Yesterdy" as part of the annual In Memoriam segment celebrating the lives of iconic film stars who passed away over the past year. This year, the segment paid tribute to the late Kobe Bryant, Rip Torn, Doris Day, and Agnès Varda, among others.