Andy Roddick, Serena Williams, Venus Williams, and James Blake hosted the star-studded Official US Open Player Party at the Skyline Studios presented by Heineken, with music by DJ M.O.S. Special guests included Penn Badgley, Emmy Rossum, Olivia Palermo, Kelly Bensimon, and many more.

TOP: Supermodel, Angela Lindvall and Sierra Club Executive Director, Carl Pope hosted the Be Eco Chic Fashion Show.

BOTTOM: (Left) Chevy Chase came to support his wife who is one of the Celebrity Models at the event.  (Right) Adrian Grenier came to support his AlterEco castmate Angela Lindvall.

To raise awareness for the environment, Celebrities strutted down the runway in Eco Friendly couture at the American Museum of Natural History in New York City.  Among the celebrity models were Tori Praver, Olesya Rulin, Tamara Tunie, Susie Castillo, Boise Thomas, Jayni Chase, Tamara Feldman, Dominique Swan, Malin Ackerman, Laura Turner, Coltrane Curtis, Lauren Hutton, Kimberly Pinkson, Carter Oosterhouse, Theodora Richards, Patti Hansen, Mark Indelicato, Alex Meneses, James Lesure, Kelly Bensimon, Darren Moore, Tom Kostigen, Joy Lauren and Alek Wek.