Scarlett Johansson is back this Saturday. Let's pick the best female hosts in "SNL" history.
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Why she's great: Amy Poehler can do zany and deadpan, and when she's on "SNL" she always does both.
Proudest showing: During an epic monologue, Poehler lived out a fever dream she had about hosting. Kristen Wiig intimidated her with hard choreography, Nasim Pedrad stole one of her characters, and Justin Timberlake declared her an awful kisser. Grim and hilarious.