Scarlett Johansson is back this Saturday. Let's pick the best female hosts in "SNL" history.
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Why she's great: As evidenced by her appearance as Roseanne Roseannadanna in the "SNL40" spectacular, Emma Stone is unafraid to be bawdy, loud, and ridiculous for the sake of a laugh. She seizes the "SNL" stage as opportunity to do something fun.
Proudest showing: During the first of her two hosting stints, Stone confronted her nerd fan demographic. A nerdy Bill Hader prepared a Powerpoint presentation about their eternal love, and a bespectacled Kenan Thompson offered (politely) to make out with her.