Billie Eilish Pirate Baird O’Connell, born December 18, 2001, in Los Angeles, California, is an American singer-songwriter known for her haunting vocals, innovative pop sound, and close collaboration with her brother Finneas O’Connell, who produces her music.[1][3][4] She rose to fame at age 14 with the 2015 viral single “Ocean Eyes,” originally uploaded to SoundCloud for a school assignment, which led to a contract with Darkroom and Interscope Records.[1][2][3] Her debut EP, *Don’t Smile at Me* (2017), and breakthrough album *When We All Fall Asleep, Where Do We Go?* (2019) propelled her to global stardom, with the latter debuting at No. 1 on the Billboard 200 and making her the first artist born after 2000 to achieve this.[1][2][3] The album’s hit “Bad Guy” became her first and only Billboard Hot 100 No. 1, earning Grammy Awards for Song and Record of the Year.[1][2][4] At the 2020 Grammys, Eilish, then 18, swept the “Big Four” categories—Album, Record, Song of the Year, and Best New Artist—becoming the youngest winner in those fields.[2][3][4] She has released three studio albums: *Happier Than Ever* (2021), another No. 1 debut, and *Hit Me Hard and Soft* (2024), praised for its cohesion and earning 2025 Grammy nominations.[1][2] Eilish has amassed nine Grammy Awards from 32 nominations, two Oscars, and two Golden Globes.[1][4] Notable soundtrack contributions include “No Time to Die” (2020) for the James Bond film, securing her first Oscar and Golden Globe, and “What Was I Made For?” (2023) for *Barbie*, which won another Oscar, Golden Globe, and two Grammys.[1][4] With 44 Billboard Hot 100 entries, including seven top-10 hits, Eilish remains a defining voice in modern pop, recognized as Billboard’s Woman of the Year (2019) and influential for her bedroom-produced, genre-blending style.[1][2][3] As of 2024, her work continues to dominate charts and awards.[1][2]