Billie Eilish is reviving a controversial haircut trend. On Jan. 20, the actor performed at the Fireaid Benefit Concert for California Fire Relief, sharing the stage with Billie Joe Armstrong. The ...

The post also showed off the Birds of a Feather artist's hair transformations, including both bright green and red roots.

Billie Eilish has dyed her roots neon green – here’s how to make the ... she’s dyed her hair more times (and colours) than we can keep track of. From grey and ash-blue to teal and lavender ...

She accessorized the look with a simple, but statement-making hat, tiny sunglasses, plus, she styled her long, jet-black hair into a blunt faux bob. Billie was one of the first performers of the ...