Via Instagram this week, the singer posted a cute throwback pic to celebrate her brother Eric’s birthday – her natural locks on show.
Her shoulder-length, mousey-brown tresses are totally unrecognisable. The first thought that comes to our mind? So. Much. Maintenance.
Stefani's colourist, Danilo Dixon, previously told Refinery29 that he dyes her hair every week with a bleach-free formula he developed just for her.
"Gwen's an Italian girl with wavy brown hair — if you look at the video for Cool, we did her in her natural shade, maybe a little darker — so I developed a high lift formula for her," he said.
Now that’s dedication to her ‘do.