Features are disclosed relating to a collaborative ticketing system that manages various aspects of ticketing for events (e.g., movies, concerts, sporting events, and the like) using knowledge about the contacts of system users. The collaborative ticketing system includes a mobile application that includes a personalized user interface through which users can identify movies or other events to attend at specific venues. The mobile application provides functionality for users to publish information to their contacts about the events they want to attend, and to arrange group outings to selected events.