Dakota Johnson knows that Christian Grey prefers brunettes!�Perhaps that’s why, after a brief stint back as a blonde, the Fifty Shades of Grey star reverted to brown hair � la Anastasia Steele!

The 24-year-old actress debuted her new darker ‘do Thursday afternoon in New York City’s SoHo neighborhood. The brunette-again star looked very laid-back and city chic wearing a sheer cream blouse underneath white overalls paired with sunglasses and Converse sneakers.

Dakota was also snapped at LAX with Jamie Dornan over the weekend …