Katy Perry had the funniest reaction possible to a fan requesting that she sing her John Mayer duet mid-concert—watch here.

Katy Perry is letting her ex hear her "roar." The pop star, 40, couldn't hold back her frustration after a fan proposed she ...

Katy Perry‘s ex-boyfriend John Mayer is reportedly looking to rekindle their romance, weeks after her split from her ...

Meanwhile, Bloom has been embracing a more bachelor-like lifestyle. After his split from Perry, he was spotted attending high ...

Katy Perry‘s ex-boyfriend John Mayer is reportedly looking to rekindle their romance, weeks after her split from her ...

Katy Perry has had a lot of famous exes, including longer relationships with Orlando Bloom and John Mayer. Get to know all ...

Katy Perry’s latest stop on her Lifetimes Tour took a dramatic turn. Perry, 40, picked out a handful of young fans from the ...

Katy Perry has had a lot of famous exes, including longer relationships with Orlando Bloom and John Mayer. Get to know all ...

Aug. 20, 2013 -- John Mayer, the Grammy winner who's dated the likes of Jennifer Aniston, Taylor Swift and now Katy Perry, has an interesting take on modern-day love.

John Mayer's relationship with Katy Perry heating up. Dec. 27, 2012— -- intro: What a difference a year makes: Last year Katy Perry and husband Russell Brand spent the holidays apart before ...