FIRST LOOK: John Mayer Jilts a Bride in 'Half of My Heart' Check out a sneak peek of the singer's latest music video. By People Staff. Published on June 1, 2010 08:00AM EDT.

When did Taylor Swift and John Mayer date? Swift and Mayer dated from 2009 to 2010 after collaborating on ‘Half of My Heart.’ At the time, Swift was 19 years old and Mayer was 32 years old.

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. In his song ‘Half of My Heart’ John Mayer sings, ‘Half of my ...

Taylor Swift is notorious for dropping hints about her famous exes in the lines of her songs — and John Mayer easily picked up on the clues. The songwriters were linked in 2009 and 2010 after ...

That could be a reference to the singer working with Mayer on their 2009 duet "Half of My Heart." They tried to just work together, but she wanted to give in to her attraction.

Mayer and Swift never publicly confirmed their romance, but the two did perform together a handful of times in 2009 after collaborating on Mayer's song "Half of my Heart." ...

Taylor Swift and John Mayer. Shutterstock (2) In celebration of her upcoming Speak Now ... 45, were first linked in 2009 after collaborating on his song “Half of My Heart.” ...

John Mayer is on a mission that's about more than his music. In 2019, he launched the non-profit Heart and Armor Foundation with $3 million of his own money, John Mayer is on a mission that's ...

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, maybe or maybe not due ...

John Mayer sang his duet with Taylor Swift, "Half of My Heart" at a recent concert. Watch clips.