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  • JON HAMM & JENNIFER WESTFELDT  photo | Jennifer Westfeldt, Jon Hamm

Credit: Mark Seliger for Vanity Fair/Instagram

Published: Monday March 03, 2014 12:00 PM EST

2014

JON HAMM & JENNIFER WESTFELDT

Call it the Don Draper effect: There's a fine line between Hamm and his Mad Men alter ego when it comes to being the most debonair man in the room – and girlfriend Westfeldt, it seems, would agree.