The 53-year-old actor was completely dressed in black for his outing in Hollywood.
The 'Fury' star may have been trying to disguise himself with a long sleeve top, trousers and non-descript black boots.
Pitt completed the broody look with a pair of mirrored sunglasses, as he slung a black backpack over his shoulder.
RadarOnline.com reported how his kids had been missing their father and were acting out around their mother in recent times.
Since that time the actor and producer has been trying to re-build his like and has taken-up sculpting.
Pitt and Jolie are the parents of six children, three of whom are adopted and three of whom Brad and Angelina conceived together.
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