11/07/2013 15:10 BST | Updated 22/05/2015 06:12 BST

Jessica Alba Gets A New Blonde Hairstyle For Sin City

As Nancy Callahan in 2005's Sin City, Jessica Alba played a sexy blonde.

And this weekend she posted pics of herself being transformed back into character for the new movie, Sin City: A Dame To Kill For.


Jessica uploaded the pic to Twitter, writing next to it: "She got roots that Nancy".

What do you think? Jessica Alba: blonde or brunette?

See more Jessica style pics here: