Sienna MillerJulia Restoin Roitfeld Anya Ziourova

Black was the color of the night in NYC on Wednesday, with some stylish guests putting their own spins on the dark hue at events around the city. Sienna Miller looked flawless in a form-fitting Burberry number at the "Just Like A Women" screening, while Julia Restoin Roitfeld used her black dress to show some skin at the Casadei Resort 2014 celebration. Click through to see their looks, as well as the other best dressed guests of the evening.