Entertainment News : Just How Excited is Melissa McCarthy About Hosting 'SNL'? (VIDEO)

Fresh off of her Emmy win 'Mike & Molly' star Melissa McCarthy's all set to host this week's 'Saturday Night Live.'

And she's really, really excited about it.

After the jump check out the hilarious promo featuring McCarthy, her 'Bridesmaids' co-star Kristen Wiig, and this week's musical performers, Lady Antebellum.

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