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Katy Perry: Surprise Performer at John Mayer's Brooklyn Concert!

Katy Perry: Surprise Performer at John Mayer's Brooklyn Concert!

Katy Perry dons a beautiful patterned dress while performing with boyfriend John Mayer held at Barclays Center on Tuesday (December 17) in New York City.

The 29-year-old singer made a surprise appearance to sing “Who You Love,” which is the couple’s new single. Check the video below!

PHOTOS: Check out the latest pics of Katy Perry

Earlier in the day, Katy was casual chic while grabbing a bite to eat with gal pal Allison Williams.

The day before, Katy was camera shy while arriving at JFK Airport in New York City.

FYI: Katy is wearing a Temperley London dress.


Katy Perry & John Mayer – ‘Who You Love’ Performance

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Photos: Wireimage, SplashNewsOnline
Posted to: Allison Williams, John Mayer, Katy Perry

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  • liz

    did katy gain a little weight? her body looks sooo good. very sexy & womanly.

  • S. Fjord

    Liz’ comment says a lot about JJ’s readers…. #music

  • pork

    if i paid good money to see John Mayer i certainly would not want to hear katy perry sing. omg no i would be pissed . JM losing it
    !

  • liz

    @S. Fjord: this isn’t a music site though. if you want to talk about music, go on youtube and comment on john’s videos

  • KVG

    @pork: DO ME A FAVOUR AND PULL YOUR HEAD OUT OF YOUR BACKSIDE BEFORE YOU POST NEXT TIME.

  • KVG

    @liz: haha, maybe, but she’s always sexy. But that’s not the reason I go to her shows either, haha.

  • TomasPasil

    Love my job, since I’ve been bringing in $5600… I sit at home, music playing while I work in front of my new iMac that I got now that I’m making it online(Click on menu Home)
    http://goo.gl/DcyOYa

  • Meg

    I am sorry but Katy perry cannot sing

  • Beverly

    Wow never thought JJohn Mayer would fall in love with anyone, he has been quite the ladies man. I see, they are so in Love. I just hope he can change his wandering ways

  • Sayer

    This relationship is doomed.

  • John

    Was at the show. John Mayer is seriously an amazing musician. One of the best guitarists out there with ridiculous chops. Katy showing up was cool, not a fan of her style of music but she’s still a huge name has a nice voice and it was only for one song so I was cool with it.

    Great show overall, glad I went.

  • mary

    john needs to take direction on katy’s future albums if they stay together for the long haul. he makes her a better musician and knows where her vocals belong musically.

  • sandy

    I will always love john, because I am not in his personal life, the man has talent, great talent, he was a young man dating, so what. move on, get your own life, nice performance.

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