EntertainmentTIFF Natalie Portman as Jackie O in "Jackie."Playing America's most popular First Lady has been a regular job for many of Hollywood's leading ladies. Natalie Portman is the latest actress to try on one of Jackie Kennedy's pillbox hats in the critically acclaimed new biopic "Jackie," out Friday - and she certainly won't be the last. 
From Jaclyn Smith and Ginnifer Goodwin to Katie Holmes, here are all the women who have played the classy Jackie O on the screen: