A whirlwind week of events resulted in a spate of easy, breezy approaches to spring eveningwear. Take **Tory Burch’**s collared, embroidered dress for the Memorial Sloan-Kettering gala—a decidedly relaxed but glamorous take on black tie—or **Charlize Theron’**s Jason Wu jumpsuit accessorized with a gold belt and a laidback attitude.










