[Lily Kwong] [Poppy Delvigne, Harley Viera-Newton] [Hilary Rhoda, Mazdack Rassi]

New York's fashion set were out and about this weekend, braving the cold to give us some seriously enviable looks. From the stellar costumes at Heidi Klum's Haunted Holiday party to the cute and cozy guests at the Dance and Skate (RED) for World Aids Day event, click through for a look at the weekend's best dressed guests.