Taylor Swift Holding Worldwide Live Stream on Aug. 18

BillboardTaylor Swift Holding Worldwide Live Stream on Aug. 18BillboardTaylor Swift has teased clues, and now the announcement is finally here: The Grammy-winning superstar will appear in a worldwide live stream with Yahoo! on Aug. 18 in New York City at 5 p.m. ET. (Umm...Billboard totally called it!) She'll presumably ...