The Best All Billie Eilish Hair Colors 2023. The styling choice of it all can only be described as v ery gen z—a deliberate mishmash of items that’s a little bit ironic, a. Web one fan asked what is eilish’s favorite hair color/style she’s ever had, and eilish responded, “green roots was fresh as sh*ttiuuut.

Fans think billie eilish's new hair color resembles a hurricane. Web may 11, 2021 at 12:06 pm edt. Still, one of her signature and most unforgettable looks is her colorful dyed roots, which she first debuted in 2019 with bright green roots and black hair.