Billie Eilish Pirate Baird O'Connell (/ˈaɪlɪʃ/ EYE-lish;[1] born December 18, 2001) is an American singer and songwriter. She first gained public attention in 2015 with her debut single "Ocean Eyes", which was subsequently released by Darkroom, a subsidiary of Interscope Records. The song was written and produced by her brother, Finneas O'Connell, with whom she frequently collaborates on music and in live shows. Her debut extended play, Don't Smile at Me (2017), was commercially successful and charted within the top 15 in the US, UK, Canada, and Australia.

2015–2017: Don't Smile at Me
2018–2020: When We All Fall Asleep, Where Do We Go?
2021: Happier Than Ever