Calvin Klein's Francisco Costa and Ashley Olsen (in Calvin Klein) were among the fashion elite who gathered at Cipriani Wall Street for Fashion Group International's 25th annual Night of Stars gala in New York City. While Blake Lively and Penn Badgley mingled over cocktails, Jennifer Lopez, Debra Messing and Kate Bostworth were style-struck by honorees Donatella Versace, Christian Louboutin and Christoper Bailey