Billie Eilish Pirate Baird O'Connell born December 18, 2001, is an American singer, songwriter, and musician. She first gained attention in 2015 when she uploaded the song "Ocean Eyes" to SoundCloud, which was subsequently released by the Interscope Records subsidiary Darkroom. The song was written and produced by her brother Finneas, with whom she collaborates on music and live shows. Her debut EP, Don't Smile at Me (2017), reached the top 15 in the US, UK, Canada, and Australia.