Everything you need to know about the "WandaVision" star who's "one billion percent Jewish."ByEmily BurackFebruary 12, 2021Kat Dennings’ first role was in an ad for potato chips in 2000.“They were like poison, and we weren’t even allowed eat them for the commercial,” she said a decade later. “They’d open the bag, and then dump them and replace them with other chips. It showed me, right then, how this whole industry is full of crap.”Yet, Kat remained in the industry — and we’re so thankful she did. Since then, the Jewish actress has gone on to star in the rom-com Nick and Norah’s Infinite Playlist, the sitcom 2 Broke Girls, Marvel’s WandVision,and so much more.Ready for 18 things to know about Kat Dennings? Let’s go.1. Kat was born inBryn Mawr, Pennsylvania, to Jewish parents Ellen Litwack and Gerald Litwack. She’s the youngest of five siblings. View this post on InstagramA post shared by Kat Dennings (@katdenningsss)2. Kat’s real name is Katherine Victoria Litwack. She decided on the s...