Billie Eilish is a 19-year-old singer and songwriter from Los Angeles. Her debut studio album, "When We All Fall Asleep, Where Do We Go?", was released in 2019 and featured her signature whispery pop style of music produced by her brother. The album addresses themes of modern youth like drug addiction, mental health, and heartbreak. It was a commercial success and helped establish Eilish as a rising star in music.