Keira Knightley

Celebrity summer to winter hair transformations
See the starlets who give their hair sexy seasonal tweaks to suit the changing seasons. For the likes of Keira, Jen and Sienna, turning a sunny summer style into a sexy winter 'do seems effortless - and it works... 

The stunning Keira swaps her relaxed blonde waves for a more dramatic rich brunette look to take her from summer to winter