By Caitlin Petreycik
Updated Jun 10, 2012 @ 10:00 am
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Credit: Courtesy of AMC

Mad Men’s season 5 finale airs tonight at 9/8c on AMC! Mix a Manhattan, throw on your favorite pearls, and get ready for the big event by browsing through our favorite looks from this season, complete with exclusive commentary from the show's costume designer Janie Bryant.