As we reported last week, actor Armie Hammer has been cast on Gossip Girl as Gabriel Serrano, the shady new love interest to Blake Lively's lead character, Serena van der Woodsen.

Well, lest there be any doubt that Serena and Gabriel become involved romantically, here's are some photos of them kissing on the New York set of the show, filming upcoming episodes ...

What is so sketchy about this man? Follow the link for many more pictures of these two locking lips, as well as other photos from the set and all the latest news and Gossip Girl spoilers!

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.