He supports various causes and has performed at charity benefits.
However, the discovery of a granuloma on his vocal cords delayed the release of the album until May 2012, and ultimately forced him to cancel the planned tour.
Even so, the album enjoyed a generally favorable reception, though was less commercially successful than his previous work.
By 2014, he had sold a total of over 20 million albums worldwide.
Mayer's secondary career pursuits extend to television hosting, comedy, and writing; he has authored columns for magazines such as Esquire.
Mayer's celebrity exes include Jennifer Aniston, Jennifer Love Hewitt, Jessica Simpson, Minka Kelly and Perry's pop rival Taylor Swift, who purportedly wrote her song Dear John about the crooner.
Perry, who was formerly married to Russell Brand, has also dated celebs including Orlando Bloom, Diplo and Josh Groban.' wrote the 39-year-old Your Body Is a Wonderland musician, who's wearing a black T-shirt showcasing his tattooed left arm in the shot. He’ll love scrolling through it.'The Chained to the Rhythm performer - who dated Mayer on-and-off between 20 - responded, 'Looking fantastic as ever!Happy birthday friend.'Both Mayer and Perry have been involved in a number of high-profile Hollywood relationships over the last decade, under heavy media scrutiny.He attended Berklee College of Music in Boston, but disenrolled and moved to Atlanta in 1997 with Clay Cook.Together, they formed a short-lived two-man band called Lo-Fi Masters.That album was followed by Battle Studies in 2009, a return to pop, with a number-one grossing tour.