Krysten Alyce Ritter, is an American actress and former model, she has appeared in films such as which 2008 American comedy film directed by Tom Vaughan, written by Dana Fox and starring Cameron Diaz and Ashton Kutcher?
Krysten Ritter:  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). What Happens in Vegas: What Happens in Vegas is a 2008 American comedy film directed by Tom Vaughan, written by Dana Fox and starring Cameron Diaz and Ashton Kutcher.
What Happens in Vegas