This week, we had our eye on easy-chic celebrity styling. From cocktail parties to special appearances, the common denominator was impeccably cool — without being too complicated. So, from Emmy Rossum's neon mini to Julia Restoin-Roitfeld's black and white event attire, we want to know if you were paying attention. How well do you know this week's celebrity style?
Emmy Rossum topped her neon mini with a . . .