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But her latest move may have those balayage devotees feeling a little torn.
Revealing her latest hair change on Instagram, the Aussie/British singer seemed very pleased with her new cut and colour.
"A change will do you good! #brunette," she captioned the selfie.
Is anyone else picking up that ever-so-subtle auburn tone? Nice move, Imbruglia, nice move.
While she's been quiet on the music front for the past few years, Imbruglia has been busy on stage and on screen, as well as launching her successful skincare range Iluka last year.
We wonder if the change has anything to do with her return to music, with her new album Male due to be released in the next few weeks. (Post continues after gallery.)
In fact, it's quite a similar colour to the one that Lily James debuted at Comic Con this week, as the actress said goodbye to her signature Cinderella blonde and welcomed a gorgeous auburn brown shade.
And while we're devoted fans of the lob, it's also nice to see a celebrity with something a little different and a little longer.
Maybe we aren't so torn after all.
What do you think of Nat's new hair?