How Billie Eilish's Hair Color Has Changed Over Time

Billie Eilish has become famed for her constantly-evolving and often daring hair colour choices.

The "Your Power" songstress most recently made headlines when she traded her black and green tresses for platinum blonde all over.

Speaking about her new do on The Ellen DeGeneres Show, the 19-year-old said: "I've been wanting it for a while. I don't know what came over me."

The "Therefore I Am" hitmaker added: "So, I kinda thought of it as a dream. I didn't think it was gonna happen because my hair went through so much. I thought I would burn it all off, but I did it."

In honor of her latest look, we take a look back at her hair colour evolution over the years.

Billie Eilish With Striking Silver Hair (2016-2017)

Billie Eilish sporting silver hair
Singer Billie Eilish, wearing CHANEL, attends as CHANEL celebrates the launch of the Coco Club, a Boy-Friend Watch event at The Wing Soho on November 10, 2017 in New York City. Billie Eilish sporting silver hair. Nicholas Hunt/WireImage

When Eilish first landed on the scene with single "Ocean Eyes," she was seen sporting bright silver locks.

She opted for a slightly brighter variation in the year that followed.

Billie Eilish With Dusty Purple Hair (2018)

Billie Eilish sporting dusty purple hair
Billie Eilish performs at the Bonnaroo Music & Arts Festival on June 9, 2018 in Manchester, Tennessee. Billie Eilish sporting dusty purple hair. Josh Brasted/WireImage

In 2018, the award-winning singer was seen sporting a muted purple do at numerous events.

Billie Eilish With Ocean Blue Hair (2018)

Billie Eilish sporting ocean blue hair
Billie Eilish kicks off Apple Holiday campaign with a performance at the Apple Third Street Promenade on November 20, 2018 in Santa Monica, California. Billie Eilish sporting ocean blue hair. JB Lacroix/Getty Images

However, it wasn't long before she embraced a bolder, brighter blue hue.

Billie Eilish With Soft Turquoise Hair (2018)

Billie Eilish sporting turquoise hair
Singer Billie Eilish performs onstage during Deck The Hall Ball hosted by 107.7 The End at WaMu Theater on December 11, 2018 in Seattle, Washington. Billie Eilish sporting turquoise hair. Mat Hayward/Getty Images

In what ended up being a very colourful year for Eilish, the star toned down the blue, settling on a less intense turquoise for the remainder of the year.

Billie Eilish With Jet Black Hair (2019)

Billie Eilish sporting jet black hair
Billie Eilish attends the 2019 iHeartRadio Music Awards which broadcasted live on FOX at Microsoft Theater on March 14, 2019 in Los Angeles, California. Billie Eilish sporting jet black hair. Jeff Kravitz/2019 iHeartMedia

2019 saw Eilish start out the year embracing her inner "Bad Guy" with an all-over dark look.

She later added a handful of electric blue highlights giving her a more lively aesthetic.

Billie Eilish With Signature Green and Black Hair (2019)

Billie Eilish sporting her signature hair
Singer Billie Eilish performs onstage at The GRAMMY Museum on September 17, 2019 in Los Angeles, California. Billie Eilish sporting her signature hair. Scott Dudelson/Getty Images

Later on in the year, her signature highlighted green and black locks were born. This is still one of her most iconic looks to date.

Billie Eilish With Platinum Blonde Hair (2021)

In March, Eilish dropped jaws when she ditched her signature look for a fresh, new platinum blonde.

Speaking to Ellen DeGeneres about the process, she revealed that it took a staggering six weeks, which meant she had to wear a wig at the Grammys.

"It was a lot because we started in January, and then it was two weeks of nothing, of healing and letting my hair take it in and digest and recover," she explained. "And then again, and then two more took a long time."

It's clear the look is a favourite for the singer as she captioned her blonde debut Instagram post: "Pinch me." Could this hair colour be her new go-to?