Celebrity Hair Affair: Scarlett Johansson

Her smile may have been as bright as ever at last night’s world movie premiere of He’s Just Not That Into You in L.A., but the beautiful Scarlett Johansson revealed her dark side, so to speak, with new long dark brown locks.

Over the past couple of months, the star has been gradually going darker and darker, moving away from blonde bombshell look she made her signature style.

Do you think it's a good move? Or should she go back to blonde?

Scarlett Johansson looks best as a ...