Carly Simon Taylor Swift Youre So Vain Official Video

July 27, 2013 As a surprise special guest, Carly Simon joined Taylor Swift on stage tonight to sing You re So Vain together. It was the second night of Swift s soldout Red Tour at the Gillette Stadium in Foxborough, MA. For Simon, who only occasionally appears live in concert, performing before a crowd of 55, 000 was a momentous occasion. Backstage footage and interviews with Carly and Taylor. iTunes: Connect with Carly: