Will Smith worked out in Old City today

Will Smith spent about an hour running a treadmill Tuesday afternoon at Sweat Gym (45 N. 3rd) where the Overbrook native superstar told gym members that he was in town for a little while and that he would probably be back at the gym soon.

UPDATE: Tuesday night Smith introduced Nas and Damian Marley at their Electric Factory concert and spent the show dancing on the side of the stage along with his son Jaden, who starred in the "Karate Kid" remake.

Read more from our Tuesday column in the Daily News.