Which type of twist ending would you use to characterize the following scenario?

Jennifer wants to be captain of the dance squad at school. Her best friend, Madelyn, helps her with the choreography, and they do a duo dance. Jennifer is surprised when Madelyn is announced the winner. Only then does she realize that Madelyn choreographed the exciting moves for herself, leaving Jennifer to look like her sidekick.


reversal of fortune
reversal of motive
reversal of perception
reversal of identity