Kim Kardashian West Just Made Her Most Dramatic Hair Change in Years

Kim Kardashian West is going back to her roots—literally.

As posted on the 37-year-old's Instagram stories yesterday (complete with some animal-ear filters), Kim was seen sporting a darker hue of brown and proclaimed she "was back" after a few weeks of wearing a pastel-pink hue and a long stint as a platinum blond

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While details on the full step-by-step hair transformation weren't immediately available, Kim's colorist Chris Appleton hinted that fan-favorite Olaplex had something to do with it on his social media and thanked Redken brand ambassador Cassondra Kaeding for her help. Guess we'll have to stay tuned in to find out more details on the transformation.