Billie Eilish’s “bad guy,” released in 2019 from her debut album ‘When We All Fall Asleep, Where Do We Go?’, blended electropop and trap-pop into a minimalist anthem. Written with Finneas, the track flipped toughness into playful taunting and quickly became a global smash. It topped the Billboard Hot 100—ending the 19-week reign of “Old Town Road”—and reached #1 in over a dozen countries. Certified Diamond in the U.S. and ten times Platinum in Australia, it also earned Record and Song of the Year at the Grammys.