By Hannah Dailey John Mayer performed his 2009 hit “Half of My Heart” at a recent concert, and fans are shocked. Why? It’s been long, long time since he last played it for an audience ...

Taylor Swift and John Mayer are never ever getting back together, judging by the looks of things. Swift and Mayer first connected in 2009, when they collaborated on his single "Half of My Heart." ...

It’s called ‘Half of My Heart’ and I want to ... out” when she heard about Mayer’s initial tweet because she had “been such a big fan of John for such a long time.” ...

Sparks flew between the two after collaborating on Mayer’s 2009 single “Half of My Heart.” However ... out in her 2010 breakup track “Dear John” off her album Speak Now, singing ...

In 2008, Taylor Swift met John Mayer at the Met Gala ... that he wanted to collaborate with Swift on a song called “Half of My Heart.” Swift later said it was her dream to collaborate with ...

Despite once proclaiming himself "America's ex-boyfriend," John Mayer still wants to ... But they did meet up to record "Half of My Heart" for his 2009 album Battle Studies, which came out ...