I felt like I was becoming who I am." In response to a follow-up from Nicki Minaj, Eilish joked that she'd call her iconic green and black look "The Billie." Elsewhere in the interview ...

Eilish, 20, shared an Instagram image of herself rocking the new look with a matching black mask and black square emoji. The photo has already garnered more than 7.5 million likes. Billie Eilish ...