Katherine Litwack (born June 13, 1986), better known by the stage name Kat Dennings, 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, Nick and Norah's Infinite Playlist, and Thor.She also stars in the CBS television series, 2 Broke Girls. This book is your ultimate resource for Kat Dennings. Here you will find the most up-to-date information, photos, and much more. In easy to read chapters, with extensive references and links to get you to know all there is to know about her Early life, Career and Personal life right away. A quick look inside: Kat Dennings, Raising Dad, The Scream Team, Without a Trace, Less than Perfect, Practical Magic, CSI: Crime Scene Investigation, Raise Your Voice, Down in the Valley (film), The 40-Year-Old Virgin, London (2006 film), CSI: NY, ER (TV series), Big Momma's House 2, Wanderlust (2006 film), Charlie Bartlett, The House Bunny, Nick and Norah's Infinite Playlist, The Answer Man (film), Shorts (film), Defendor, American Dad!, G-String Circus, Daydream Nation (film), Thor (film), 2 Broke Girls