Katherine Litwack (born June 13, 1986), better known by the stage name Kat Dennings,[1] is an American actress. Emerging with a role in an episode of the HBO dramedy series Sex and the City, Dennings has since appeared in the films The 40-Year-Old Virgin, Big Momma's House 2, Charlie Bartlett, Raise Your Voice, The House Bunny, Defendor and Nick and Norah's Infinite Playlist.
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