Ben Affleck Wears 'Harry Potter' Shirt While Directing His Movie

Ben Affleck gets into costume while leaving his trailer on set of Live By Night on Tuesday (January 26) in Los Angeles.

Earlier in the week, the 43-year-old actor sported a Harry Potter shirt while directing scenes for the film, while his co-star Elle Fanning went to get her makeup touched up.

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Also pictured below: Elle hits up Chateau Marmont later that night with a male pal.

45+ pictures inside of Ben Affleck and Elle Fanning on set of Live By Night this week…