The 22 Wildest Celebrity Hair Transformations of the Last Decade

After wrapping Game of Thrones, Clarke took the plunge back to brunette with this sleek, retro, dark bob. It's part style choice, part necessity: she told Glamour that her GOT dye regimen nearly wrecked her hair. "Yes, it is quite short—because my hair was, like, dying!... I'm honestly trying to grow out the blond, because it's just killed my hair, and I miss having nice hair!"