During a recent conversation, John Mayer and Shawn Mendes opened up about an experience not many others can relate to: having a high-profile ex write a hit song about you. On the latest episode of the "Daughters" singer's How's Life With John Mayer program on SiriusXM,

John Mayer and Shawn Mendes have discussed the awkwardness of having an ex-girlfriend write a song about them. Mayer, 47, had a brief romance with Taylor Swift, 34, from late 2009 until early 2010 and she is believed to have written a number of songs about him - including her 2010 track Dear John.