Billie Eilish just shut down the haters who have a problem with her signature neon green hair. The "Bad Guy" singer-songwriter, 19, who's become known for rocking the statement-making lime green ...

Billie Eilish's blonde ... if you keep making fun of my hair. Shut up!' Billie is known for playing with her fashion, but has mostly kept a neon green style with black tips for the better part ...