ROBYN BECK/AFP via Getty Billie ... favorite hair colors over the years. "Well, I really like to romanticize two specific periods in my life: the green roots and the red roots," Eilish said.

Related: Billie Eilish Explains the Real Reason Why She Ditched Her Blonde Hair Era "I do have to give myself credit for always going so hard," the artist joked. "I wore like actual bouncy balls ...

Billie Eilish at the 2020 Grammy Awards.

Related: Why Billie Eilish 'Absolutely Hated' Her Name Growing Up Karwai Tang/WireImage Eilish at the BRIT Awards in 2020. "I’d never really seen anything like that before and it felt really nice to ...

Latest photos of her from the promotional shoot quickly sent fans into a frenzy, leaving comments like: "Literally the most gorgeous person in the worlddd," and: "Billie i just died," as well as: ...

Source: Getty Billie Eilish, who, apart from her career-defining music, is also known for her range of iconic hair colors, admitted that it was her green and black hair that made her feel connected to ...