Diddy judge Arun Subramanian looked more like a student heading into a building to attend class today -- instead of his day job, which is presiding over the disgraced music mogul's federal sex trafficking trial.
Diddy Trial Judge Arun Subramanian Walks To Work
We've spotted Arun on his way to the courthouse multiple times since jury selection in Diddy's trial began ... and, he's always..
TMZ