Bad Guy (Billie Eilish song)

"Bad Guy" (stylized in all lowercase) is a song by American singer-songwriter Billie Eilish and the fifth single from her debut studio album, When We All Fall Asleep, Where Do We Go? (2019). It was released on March 29, 2019, by Darkroom and Interscope Records. The song was described by media as electropop, dance-pop, pop-trap, and nu-goth pop with minimalist instrumentation.