Taylor Swift's quick changes on the Eras Tour weren't always as smooth as they seemed. Swift, 36, opened up about what her quick changes really entailed during episode 3 of her End of an Era docuseries, which premiered on Disney+ Friday, December 19. "There were moments where I thought I don't know if these costume changes are gonna happen in time," Swift confessed. "I'm only off the stage for a maximum of two minutes at a time." The singer added, "You have no idea the panic of worrying you're not gonna be dressed in time for the song to start.