Cobie SmuldersAmanda HearstJulianna Margulies

From of-the-moment black and white ensembles to brighter hues, guests donned their stylish best to attend events around the city over the weekend. Hannah Bronfman showed off her perfect abs in a must-have, cropped look, while Amanda Hearst brightened things up at The Humane Society of the United States To the Rescue! New York Gala. Click through to see their looks, as well as the other best dressed guests from the weekend.