It seems like the theme of this year in film might be “existential crisis.” Fresh off the release of Beau Is Afraid and a new trailer for Problemista, we have the latest clip of Greta Gerwig’s Barbie movie. It shows the main Barbie (Margot Robbie) planning for a trip to the real world, brought on by an existential crisis that started because she put her heels on the ground — literally. Before she leaves, though, she has to put on a gigantic bash. At one point during the party, she…