Taylor Swift is quite popular! Take a look at some of the star's celebrity best friends -- including Demi Lovato, Ed Sheeran, Lily Aldridge, and more
Romance rumors began to swirl as the singers became fast friends while collaborating. "Literally, I went in there and we passed the guitar back and forth and played songs to each other," he explained of their platonic relationship to TVNZ in March 2013. The British singer went on to join Swift during her Red tour in February 2014.