If you can remember back to season two of Gossip Girl, you may recall an episode about aspiring designer Jenny Humphrey (Taylor Momsen) attempting to earn funding for her eponymous fashion line by staging a guerrilla show at a charity gala. In the middle of the stuffy reception, Jenny commandeers the A/V system, blasting punk rock while a squad of models, clad in her early-aughts emo designs, climb on tables. Even the most dedicated Gossip Girl superfans may be surprised to learn that two of the models in that scene are The Testament of Ann Lee director Mona Fastvold and her longtime collaborator, Ann Lee choreographer Celia Rowlson-Hall. In a stroke of Hollywood luck, the pair met that day, becoming fast friends and launching a creative collaboration that would extend for nearly two decades. The 20-somethings worked together on music videos until their first major project: 2018’s Vox Lux, which was directed by Fastvold’s partner Brady Corbet, based on a story by Corbet and Fastvold, and choreographed by Rowlson-Hall. But even during the Vox Lux …