For years now, Blake Lively has been known for her signature blond hair (which once even drew comparisons to "The Rachel"), but now, Blake's switched it up entirely, debuting this stunning copper shade at Time magazine's Most Influential People in the World party tonight in New York. It certainly has an Ariel-esque quality about it, and undoubtedly will have heads turning, but are you digging Blake's brand-new red-hot coiffure?