Taylor Swift and Travis Kelce are hoping the Cleveland Cavaliers will avoid a heartbreaking playoff defeat and subsequent 'Cruel Summer' ... showing up courtside for Game 3 of the Eastern Conference Finals. The pop star and her NFLer fiancé pulled up to Rocket Arena in Cleveland, Ohio to cheer on Travis' hometown basketball team as they try and fight back from a 2-0 deficit in the series against the New York Knicks. In one particularly sweet moment, Swift coverly slipped Kelce a stick of gum ...