From her iconic black and green locks, to her fresh new blonde ‘do, look back at all of Billie Eilish’s era-defining hair colors.
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Billie Eilish’s Many Hair Colors & Styles
![Billie Eilish’s Many Hair Colors & Styles](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-3.jpg?w=680)
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Billie Eilish looking great
![Billie Eilish looking great](https://hollywoodlife.com/wp-content/uploads/2021/05/Billie-Eilish.jpg?w=680)
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Billie Eilish Rocks A Bob
![Billie Eilish Rocks A Bob](https://hollywoodlife.com/wp-content/uploads/2021/05/MEGA781051_036.jpg?w=680)
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Billie Eilish Goes Blonde
![Billie Eilish Goes Blonde](https://hollywoodlife.com/wp-content/uploads/2021/02/billie-eilish-blonde-hair-mega-1.jpg?w=680)
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Billie Eilish Is Green While On The Red Carpet
![Billie Eilish Is Green While On The Red Carpet](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-2.jpg?w=680)
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Billie Eilish at the 2020 Grammys
![Billie Eilish at the 2020 Grammys](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-4.jpg?w=680)
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Billie Eilish dons two top knots in her hair during a 2019 interview
![Billie Eilish dons two top knots in her hair during a 2019 interview](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-1.jpg?w=680)
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Billie Eilish sports all-black hair at the 2019 iHeartRadio Music Awards
![Billie Eilish sports all-black hair at the 2019 iHeartRadio Music Awards](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-9.jpg?w=680)
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Billie Eilish stuns with two brunette top knots
![Billie Eilish stuns with two brunette top knots](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-10.jpg?w=680)
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Billie Eilish rocks blue hair in 2019
![Billie Eilish rocks blue hair in 2019](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-8.jpg?w=680)
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Billie Eilish rocks purple hair at the 2018 Yellow Ball
![Billie Eilish rocks purple hair at the 2018 Yellow Ball](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-7.jpg?w=680)
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Billie Eilish rocks white hair in LA
![Billie Eilish rocks white hair in LA](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-6.jpg?w=680)
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Billie Eilish styles her white locks in loose waves
![Billie Eilish styles her white locks in loose waves](https://hollywoodlife.com/wp-content/uploads/2021/01/billie-eilish-boldest-hair-color-hairstyle-ap-5.jpg?w=680)