Music Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Play video content Exclusive TMZ.com Billie Eilish traded in her iconic green hair for blonde locks to demonstrate her evolution as a person and an artist … so says her big brother. We got Finneas O’Connell leaving Blue Bottle Coffee in Los Angeles and asked about the big hair change, and why it’s such a big deal for her fans. Waiting for your permission to load the Instagram Media. Finneas, who co-wrote and produced most of Billie’s tracks on her debut album, says a new hairstyle is one of the easiest ways to change your persona … and he says Billie did it because she’s growing. Remember, Billie’s only 19 and she’s already snagged 7 Grammys … so she’s already done A LOT of maturing, and it sounds like the image now needs to match the accomplishments. Finneas also tells us why Billie’s hair needed 6 weeks to go from green to blonde … and he drops some hints about a new album and how long she’ll be rocking the new ‘do. This article was originally published by Tmz.com. Read the original article here. Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Products You May LikeArticles You May Like Michael B. Jordan Visits Gun Range with GF Lori Harvey Chris Brown’s Wearing Rihanna’s Necklace?!?! | TMZ Byron Scott Sides With LeBron James, NBA’s Play-In Tourney Is A Terrible Idea! Stefon Diggs Abandoned Mercedes Police Video, ‘That’s At Least A $160,000 Car!’ Racing Legend Bobby Unser Dead at 87, 3-Time Indy 500 Champ!