Brad Pitt tooks two of his oldest sons, Maddox and Pax to his
work place where Brad is currently on the set of World War Z
One source told Us Weekly, "Brad was very cheerful and happy to have his kids on set. When Brad finished the scene, he took to the boys to his trailer and looked thrilled to see them. [While walking] he didn't hold their hands -- I think he likes to treat them like big boys!".
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