Hilary Duff and Penn Badgley kissing and Smooching on the Set

Puckering up as they shot scenes, Hilary Duff and Penn Badgley were spotted on the set of “Gossip Girl” in New York City on Tuesday (October 6).

The duo lovingly locked lips as the cameras rolled, continuing work on the new season of the hit CW drama.

Meanwhile, fans will have to wait until next Monday for another new installment of “Gossip Girl,” as “Rufus Getting Married” is slated for October 12th at 9/8C.

Per the show’s Web site, an episode summary tells: “Lily (Kelly Rutherford) and Rufus (Matthew Settle) decide to move up their wedding to the next day, but will someone or something come between them before they become man and wife? Chuck (Ed Westwick) discovers a secret that Carter (guest star Sebastian Stan) has been keeping from Serena (Blake Lively). Dan (Penn Badgley) and Vanessa (Jessica Szohr) are pulled into one of Georgina’s (Michelle Trachtenberg) schemes. Blair (Leighton Meester) is suspect of Bree (guest star JoAnna Garcia) and shares her concerns with Nate (Chace Crawford).”