Pictures of Bonnie filming in character as Zoe with a cast member (if anyone knows who the actor is, feel free to let us know) surfaced today via fans on Twitter. They were filming in Washington Square Park (New York). Images can be found at Photogenic.
ETA: The actor with Bonnie in these new pictures posted an adorable photo of himself with Bonnie (which has been added to the gallery). His name is Jacob Zachar.