A system and method are disclosed for providing source indicators for one or more elements of an aggregate media collection of a user in a media sharing system. In one embodiment, a local media collection of a user is aggregated with one or more shared media collections hosted by corresponding user devices of other users participating in the media sharing system to provide an aggregate media collection for the user. Via a Graphical User Interface (GUI), for each element of at least a subset of elements of the aggregate media collection, one or more source indicators are presented in association with the element to identify a source or sources of the element in the media sharing system. The elements of the aggregate media collection include at least a subset of media items in the aggregate media collection, playlists including media items from the aggregate media collection, or both.