MSN recently introduced a pretty cool new site called “Cinemash” in which stars promoting an upcoming movie do so as characters from another movie. In the first installment, Zooey Deschanel and Joseph Gordon-Levitt promote their upcoming quirky rom com 500 DAYS OF SUMMER as Sid Vicious and Nancy Spungen, only Deschanel is Vicious and Levitt is Spungen. Check it out below. SUMMER opens July 17th in limited release.