Know Before You Go: Billie Eilish

Billie Eilish is a 20-year-old singer from Los Angeles whose inventive take on pop music has quickly taken her from SoundCloud to Coachella over the past five years. Her debut studio album, When We All Fall Asleep, Where Do We Go reached the top of the worldwide Billboard charts and made her the youngest ever winner of a Grammy for Album of the Year. Here's what you need to know prior to this Tuesday's concert.