Getty Images Travis Kelce (l) of the Kansas City Chiefs celebrates with Taylor Swift (r). In what will likely become one of the most dowloaded sports podcasts in history, the newest episode of the show that already ranks as the No. 1 sports podcast on the Apple charts — New Heights , hosted by brothers Travis and Jason Kelce — features a special guest who just happens to be both the world’s top pop music star and Travis Kelce’s girlfriend. Of course, as was revealed in a set of teaser clips