Billie Eilishisn’t your typical pop star.

For one thing, she foregoes form-fitting couture for baggy sweats.

If Eilish has a signature, apart from her moody vocals, it’s her hair.

Billie Eilish poses on the Grammy red carpet

However, lately fans have been wondering whether the hair is 100 percent Eilish’s own.

Now, we know the truth about exactly what’s been going on atop Eilish’s head.

Unsurprisingly, Eilish loved her locks at every stage but the blonde is a capital-L look.

Billie Eilish speaks onstage during an interview

She rocked the green-and-black look since July 2019.

Renn tantalizingly describedEilish’s blonde ‘doas the beginning of “a new era” for the enigmatic pop star.