Leo DiCaprio and girlfriend stroll anonymously at World Trade Center (photos)

Get Best Daily Health Tips Here

The two stopped at a food truck for a while, eyeballing the eats, but ended up getting nothing. They did hit up Starbucks and drank as they meandered in the area.

They went to the Oculus station at the World Trade Center ... a famous shopping area and a central stop for trains that connected numerous cities and states.

Even though he is one of the most famous people in the world, no one noticed him. 

Leo just got back from Cannes, where they premiered the Quentin Tarantino flick, "Once Upon a Time in Hollywood," which got a 7-minute standing ovation. Mission accomplished, Leo.