American fashion designer Zac Posen has won multiple awards for his work. His namesake brand has been around since 2001, and has since been worn by a number of famous faces. Look for new and never-worn Zac Posen dresses for something floor-sweeping and glamorous at your next special occasion. Or keep an eye out for preowned bags by the designer in a variety of sleek shapes and versatile shades to choose from.