Emma Stone Played A Surprisingly Pivotal Role In Taylor Swift's Eras Tour

Emma Stone Played A Surprisingly Pivotal Role In Taylor Swift's Eras Tour

Kevin Mazur/TCA 2011/WireImage/Getty ImagesJust when you thought you knew every single detail about Taylor Swift’s intricate Eras Tour, the pop star let a huge secret slip. It turns out, her close friend Emma Stone secretly played a huge part in shaping how the Eras Tour ended up looking — and Swift didn’t reveal this fact until over a year after the final concert.In the second episode of Swift’s End of an Era docuseries, the singer shone a spot…