If you’re mad for vintage fashion like we are, you’ll want to check out our slideshow of the exquisite 50s and 60s looks that sauntered down the runway at this year’s Global Green U.S.A. fundraising event. Inspired by this hit show Mad Men, the eco-fashion show featured authentic vintage designs as well as new fashions with a retro flair. Click through our pics to see all of the beautiful looks – and get some inspiration for what to wear to your holiday parties!