Billie Eilish is explaining what led to her latest hair revamp. Making a surprise appearance on The Ellen DeGeneres Show Tuesday, the "Bad Guy" singer, 19, talked her new look, including why she ...

Hair, nails, clothes. It was such a magical period for me, and it was so intense. 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 ...