Scarlett Johansson is back this Saturday. Let's pick the best female hosts in "SNL" history.
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Why she's great: Lily Tomlin took over the world in the '70s, appearing on the cover of "Time" and earning a special Tony for her incredible one-woman live shows. On "SNL" she brought the cool and pugnacious energy we recognized from her "Laugh-In" days.
Proudest showing: A timeless sketch in which Tomlin and Gilda Radner, playing female construction workers, learned how to harass men.