Krysten Ritter is a person.
Krysten Alyce Ritter ( born December 16 , 1981 ) is an American actress and former model . She has appeared in films such as What Happens in Vegas ( 2008 ) , 27 Dresses ( 2008 ) , Confessions of a Shopaholic ( 2009 ) , She 's Out of My League ( 2010 ) , Veronica Mars ( 2014 ) , and Big Eyes ( 2014 ) .