How Billie Eilish Has Transformed Her Style With Colorful Hair, From Green Roots To A Blonde Bob She Regrets

Billie Eilish attends the People's Choice Awards on February 18, 2024.Gilbert Flores/Getty Images 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, and even gray hair for a period. The 22-year-old has also tried wearing a blonde bob and longer brown styles. Billie Eilish has been rocking bold hair since the start of her career.Billie Eilish attends Nylon's Young Hollywood party on May 22, 2018.Gabriel Olsen/Stringer/Getty ImagesIn 2018 — just two years after releasing her first song, "Ocean Eyes" — Eilish sported long, gray strands at Nylon's Young Hollywood party.Her blue hair in 2018 remains one of her brightest looks to date.Billie Eilish at the New York City SiriusXM Studios on November 5, 2018.Noam Galai/Getty ImagesShe wore the color in long, straight strands with a middle part — her signature style at the time.She dyed her hair a more natural color the following year.Billie Eilish attends the iHeartRadio Music Awards on March 14, 2019.Jon Kopaloff/Stringer/Getty ImagesAt the 2019 iHeartRadio Music Awards, Eilish walked the red carpet in an all-black outfit that matched her newly dyed black hair.As for style, she continued to wear it straight with a middle part.Eilish is probably most recognizable with neon-green tresses.Billie Eilish performs at Lollapalooza Berlin on September 7, 2019.Picture Alliance/Getty ImagesShe originally added the glowing color across her head in the summer of 2019, from her bangs to the ends of her hair.Around that time, Eilish was also seemingly a fan of space buns.She's worn a few variations of the bright hair color.Billie Eilish attends the LACMA Art + Film Gala on November 2, 2019.Michael Kovac/Getty ImagesMonths after debuting her green hair, Eilish changed the style so that the green only covered her roots.Some fans took issue with Eilish making the color her signature and said on Instagram that they felt it was time to change it up.But the "Bad Guy" musician stood by her hair-color choice."It's called not being depressed anymore pls just be happy for me," Eilish responded on social media.