Gorgeous Camila Alves in Herve Leger and husband Matthew McConaughey in Dolce and Gabbana stole the scene at the sixth annual Veuve Clicquot Polo Classic. Ashley Olson was there in vintage clothing and other stars such as Rosario Dawson, models Anne V, Alek Wek, Dree Hemingway and designer Catherine Malandrino were also in attendance.