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Well if mustard yellow wasn't already the color of fall 2013, it is now!
Blake Lively is like the shade's one-woman marketing team in this sexy leather stunner. Not only does the Gucci cocktail frock fit her perfectly, but it's also that perfect combo between sexy and sophisticated. We have a feeling some serious thought when into the choice because Mrs. Ryan Reynolds wore it seated next to the scariest fashion critic of all, Anna Wintour!