Incredible Billie Eilish Blue Hair References. Web 4 fans have become used to seeing billie with green roots credit: In the music video for xanny , billie's hair was brown.

See her many haircuts and colors by clicking through our gallery! Getty images not content with breaking the internet just the once this year after experimenting with a new hairstyle, billie eilish has just done it again. By rania aniftos a major part of billie eilish’s visual aesthetic has always been her hair.