Billie Eilish on Instagram Billie's throwback photo captured a lot of attention "Would b fire if it was like an unreleased song from when she has blue hair," one fan suggested. "THAT'S WHAT IM ...

Billie Eilish went back to a fan favorite ... The “Bad Guy” singer, 21, wears her black hair in two looped pigtails in the photo, tipping her face down to give fans a look at the bold red ...

Billie Eilish has made some drastic hair changes since releasing her first song in 2016. She's experimented with neon-green roots, vibrant blue strands ... She also shared a photo of her hairstyle ...

Billie Eilish's age has always been a talking point ... Billie was already sporting an ever-changing shade of grey, lilac, blue hair with a fully-bleached base. Then came the iconic black and ...

She sported a black headband over her dark hair that she ... held onto a large blue water jug in her hand. Billie Eilish with her trainer after a workout on October 24 (Photo: Snorlax / MEGA) ...

With her jet black-meets-midnight blue head of hair, there's no guessing Billie Eilish's natural colour ... Thanks to a series of baby photos shared on the singer's Instagram Stories over the ...