Jessica Alba is one of those movie stars who seems to have it all. Known for roles in "Honey," "Sin City," "Fantastic Four," and TV series "Dark Angel," Alba is also famous for her exotic looks, red carpet appearances and tabloid-friendly family. Since giving birth to her second child Haven Garner Warren in 2011, however, Alba has been on a serious style roll, ditching her fluorescent cargo pants and midriff-baring tops for Hollywood-appropriate gowns and chic little black dresses.
To celebrate Alba's 31st birthday on April 28th, take a look back at her style. Which look is your favorite?
Meanwhile, if you though her wardrobe transformation was extreme, take a look at how the star's hairstyles have evolved over the years.