Tina Fey may have gotten her start on the improv stages of Chicago, but her path has taken her to the very top of the comedy world. Creating an Emmy winning show, and moving from the writers room at SNL to the starring role in movies like "Date Night." She has become a symbol for smart sexy women around the world. And her stellar Sarah Palin impersonation featured below proved a mighty blow to the conservative vice presidential candidate in 2008.