They ended their romantic journey only a year later. Taylor, who references their short-lived relationship in the lyrics of her song, “Dear John,” accused the singer of taking advantage of her during a formative time in her life.

How long were John Mayer and Taylor Swift together?

Taylor Swift and John Mayer have never confirmed whether they were dating or not, but their fans consider that the duo was dating when Taylor was 19 years old. Their relationship is reported to have lasted from December 2009 to February 2010, as reported in Popsugar. At that time, John Mayer was 32 years old.