Over the last couple of days Jessica Alba, one of our favorite celebrity brunettes, was transformed into a sexy blonde. Jessica has always famously said that she’d dye her hair any colour for a film role, and she’s staying true to her word by going blonde for her latest role as Nancy Callahan in the Sin City sequel, Sin City: A Dame To Kill For.
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It’s been 7 years since Jessica first played Nancy in the original Sin City, and we’re excited to see her return to blonde on the big screen. The film doesn’t come out until 2013, but Jessica has kindly shared her blonde transformation on Twitter and Instagram.
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With long extensions, blonde hair and darker roots, Nancy is the epitome of the sexy vixen. But have you ever wondered just how long it takes to go from Jessica’s shade of brown to blonde bombshell? Check out Jessica’s photos below, which document the process:
Jessica tweeted “Bye bye brown hair” before undergoing part 1 of her blonde transformation.
Next up, Jessica showed us stage 1 of her dye job, tweeting: “Stage 1 -ok it doesn’t look that different but it’s a process”

Almost there! Jessica tweeted: “Stage 2 of #SinCity2 Nancy hair.”
Finally a blonde, Jessica tweeted: “She got roots that Nancy #sincity2.” We definitely love that Nancy is rocking the oh-so trendy ombre hairstyle!
And finally, she’s ready to roll! Jessica tweeted, “What a way to start the day -training for a movie is sorta fun.”
Check out Jessica’s farewell video to her brown hair here:
Photos Courtesy of: Instagram
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