Gossip Girl star Ed Westwick (Chuck) and girlfriend / co-star Jessica Szohr (Vanessa) shared dog duty by walking their pet pup hand-in-hand Wednesday in N.Y. City ...

Interesting timing, given the "Remains of the J" pictures we posted yesterday. As you can see in the pics below (click to enlarge), the Gossip Girl co-stars stopped walking to take care of some more important business at one point ...

[Photo Credits: Splash News Online]

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