Erin Foster of Hello Giggles continues her How To (Or Not?) series for Look TV, but this week enlists the expert style advice of fellow Giggler Grasie Mercedes for a dramatic 60s makeover! To transform Erin from looking like a dorky librarian into a Mad Men vixen, Grasie shares some easy ways to channel Betty Draper or Peggy Olson. Watch the video here. Which character on Mad Men is your favorite?