American singer-songwriter Billie Eilish has released three studio albums, one live album, one video album, two extended plays (EPs), 35 singles, four promotional singles, and 32 music videos. According to RIAA, she has sold 45.5 million digital singles and five million albums. IFPI crowned "Bad Guy" as 2019's biggest selling single globally, selling 19.5 million units in a year span. Eilish is regarded by various media outlets as the "Queen of Gen-Z Pop". At age 17, she became the youngest female artist in UK chart history to score a number-one album. As of October 2021, Eilish has accumulated 76.7 billion career streams worldwide. According to IFPI, Eilish was the fourth best-selling artist of 2019 and fifth best-selling artist of 2020.