Though the two enjoyed a two-hour dinner at Nashville Bistro Cabana in January 2010, a full-fledged romance never developed. Did Swift mind the romance speculation? "I try not to be a complainer, you know?" she told Us. Mayer went on to date pop star Katy Perry on and off from August 2012 to February 2014, who then inspired Swift’s “Bad Blood,” a track about a frenemy female celeb. Did Mayer cause the rift between pop’s biggest sweethearts?!