Posted on Thu Sep 15, 2011 06:30 AM PDT
Hint: It's not Brad Pitt, but don't tell her that! Click after the jump to see who's behind the Darth Vader-esque helmet...
It's Justin Theroux! We spotted the hunky writer/actor arriving at Jennifer Aniston's NYC pad on Wednesday afternoon, and if it weren't for the boots and BMW bike, we might not have been able to ID him!
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