Her original fiery locks were quite inspirational and made for a bold statement.
Two years ago, the band's front-woman made a huge change by going to a beautiful -- almost cool toned -- blonde.
So much of her image was centered around this bold hair color, in a recent article for GoodDyeYoung brand and blog, Hayley talks about the change.
Hayley was looking for a blank page to start again with. When dying her hair and changing her look, Williams says, “I knew I’d uncovered a part of myself that was desperate to be seen and understood.”
Read more on Hayley's blog, she even invites you to talk about your own hair's journey, here.
This article has been edited from its original version.