With a number-one album in multiple countries and over 53-million Instagram followers, Billie Eilish is a global star. She has collaborated with Justin Bieber and Khalid, headlined at Glastonbury and Coachella, and has appeared in Calvin Klein ad campaigns. In a short career, she has become an icon to Generation Z. Billie grew up in a close-knit family-her brother Finneas still writes and produces...