Between Lady Gaga, Carrie Underwood and Calvin Harris, these stars will keep you entertained — and you can watch their clips without having to leave Twitter.
The sometime couple were definitely "on-again" at Allison Williams' wedding this weekend, where the two also performed separately.
Katy Perry and John Mayer were seen, once more, getting cozy during a Grateful Dead show.
The on-again, off-again lovebirds were spotted enjoying a Disney ride over Memorial Day weekend.
John Mayer, who recently called himself a "recovered ego addict," opened up about Taylor Swift taking on Spotify in his full interview with MSNBC.
John Mayer appeared on Today to discuss whether or not he is a womanizer and admits he is a "recovered ego addict."
Beyonce and John Mayer have both been #blessed to collaborate with the ginger guitar god himself, Ed Sheeran. Which duet is your fave?
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.
John Mayer has been hosting 'The Late Late Show' for a good part of this past week. And last night (Feb. 6) he upped his game by bringing on fellow acoustic crooner Ed Sheeran as a guest on Friday eve's episode.
John Mayer guest-hosted 'The Late Late Show' last night (Feb. 4), and of course, he couldn't resist gushing about Katy Perry's epic Super Bowl performance.