[3] At age 17, she became the youngest female artist in UK chart history to score a number-one album.

Eilish then released the internationally charting singles such as "Lovely" (with Khalid), "You Should See Me in a Crown", "When the Party's Over", "Come Out and Play", "Bury a Friend", "Wish You Were Gay", "Bad Guy", "Everything I Wanted", "My Future", and "Therefore I Am".

was released on March 29, 2019, and peaked at number one in 15 countries around the world including the US, UK, Australia, and Canada.

[8] "Bad Guy" became Eilish's first single to debut in the top 10 of Billboard Hot 100, peaking at number one.

On July 21, 2022, Eilish surprise-released her second EP, Guitar Songs, which consists of two tracks, "TV" and "The 30th".