The singer dated Mayer from 2009 to 2010, and there are rumors that he inspired the track "Dear John" on her 2010 album Speak ...

A Look Back Taylor Swift Asks Fans for 'Kindness' Before Playing 'Dear John' Ahead of 'Speak Now' Re-Release Andy Cohen Clarifies Comments About Being 'in Love' with Pal John Mayer: 'Get Ahold of ...