Gisele, Karlie Kloss, Erin Wasson, Candice Swanepoel, Olivia Palermo, Alessandra Ambrosio, Joans Smalls With Mario Testino

When the event is feting someone like world-famous uber-photographer Mario Testino, you know it's going to draw some seriously eye-catching crowds. Wednesday night was no exception — beautiful models like Erin Wasson, Alessandra Ambrosio and Gisele Bundchen (pregnant and positively glowing) were joined by fashion heavyweight Anna Wintour, style icon Olivia Palermo and many more as they came together to celebrate Mario 's "In Your Face" exhibition in Boston. Fittingly, there were many beautiful faces to be seen — click through the gallery to see all the best beauty looks from the night!