World War Z hits Blu-ray and DVD today, and we're sharing a newly released, exclusive picture of Brad Pitt in a candid moment on the set of the film. Brad is pictured bending down to chat up his onscreen daughter, Sterling Jerins, while drinking a cup of coffee between takes on the thriller. Check out our review of World War Z for more details on why Brad is worth seeing in the role — and why World War Z isn't your typical zombie movie. By Nevel