A computer system receives, by a first application, a plurality of shared media items and receives a request to display a view of a media application that includes the media library that includes a first plurality of media items. The computer system displays a collection of media items in the media application that are selected based on first criteria. Displaying the collection of media items includes displaying a second plurality of media items selected from the media library based on the first criteria. In accordance with a determination that a first shared media item from a set of one or media items that have not been added to the media library meets display criteria, the display criteria including the first criteria, displaying the first shared media item in the collection of media items concurrently with the second plurality of media items.