The film, A Star Is Born (2018), has the narrative structure chiefly of two intersecting character arcs. They are multi-level in the sense that both interior emotional states and exterior vocational popularity change for both Jackson and Ally. Each of them must deal with feelings of insecurity at some point and both are singers. The antagonist is interesting as well, as it is a character that plays a small but decisive role in how the narrative ends.
The full essay is at "A Star Is Born."