John Mayer

They were caught chatting.

Her song "Dear John" is rumored to be about ex John Mayer.

Is John Mayer missing his ex, or just trying to cash in on the Taylor hype before she comes to Ford Field?

The musicians briefly dated between 2009 and 2010.

From Gwen Stefani to Miley Cyrus and John Mayer, these pop stars have written breakup songs about other famous people.

Why is this not surprising?

When Taylor Swift puts out a song, everyone has an opinion: The music critic, the die-hard fan, the hater (who's gonna hate, hate hate) -- and yes, the person who inspired the track.

Ed Sheeran and John Mayer performed 'Thinking Out Loud' at the 2015 Grammys and the PopCrush editors were literally weeping from the beauty of it all.

Mary J. Blige is going to do a duet with Sam Smith for the 57th annual Grammy Awards on Sunday night. She was announced Wednesday as an additional performer along with Beck, Brandy Clark, Juanes, Sia and pianist Lang Lang. In addition, Herbie Hancock, John Mayer and Questlove have a special performance with Ed Sheeran slated. Also, Jeff Lynne's reunited Electric Light Orchestra is also performing

If you're a Barbra Streisand fan, here's good news. Columbia Records has announced the upcoming release of Barbra Streisand's "Partners" album, to debut on September 16th, 2014, featuring 12 new Streisand duets with the world's greatest male vocalists.

John Mayer surprised audiences on his Australian tour by performing an unexpected cover of Beyonce’s love song ‘XO.’ The singer and his fans enjoyed the performance so much that he just released a studio recording on iTunes.

Sure, we'd love to hear John Mayer cover his ex Katy Perry's 'Dark Horse' or 'Unconditionally.' But that's not likely to happen, so we'll "settle" for being blown away by his acoustic cover of Beyonce's 'XO.'