Brad Pitt and Angelina Jolie's adorable kids were spotted out and about in New Orleans, walking their big bulldog, Jack, on Wednesday.  OK! GALLERY: BRAD PITT & ANGELINA JOLIE ARRIVE FASHIONABLY LATE TO THE 2012 OSCARS RED CARPET Three of the six — Maddox, Shiloh and Zahara Jolie-Pitt — headed out with their nannies to give their dog a walk and buy some snacks. Read More >>