Celebrity Style: Eva Mendes, Charlize Theron, Alessandra Ambrosio

This week's stylish bunch churned out looks ranging from vintage-inspired to fabulously frilly to casual cool, but the common denominator is that they all caught my eye. Charlize Theron and Alessandra Ambrosio proved that dressing down doesn't have to equal sacrificing style — au contraire! — while Eva Mendes gave us a flair for the exotic. Cameron Diaz mixed whimsical with practical, Sienna Miller mimicked Little Red Riding hood, and Elle Fanning proved she's a rising style star. Step inside to see them and more!