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Taylor Swift Releases 'I Knew You Were Trouble" — Likely About John Mayer

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Taylor Swift Calls John Mayer "Presumptuous" For Assuming One of Her Songs is About Him

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Katy Perry is "Totally in Love" With John Mayer

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Katy Perry and John Mayer Go to Dinner in L.A., Romance Back On

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John Mayer and Katy Perry Get Close at FYF Fest in L.A.

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John Mayer Crops Locks After Katy Perry Split

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Katy Perry & John Mayer Reportedly Break Up

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Katy Perry is Bummed After Split, John Mayer Flirts With Women

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Splash News

It's Official: John Mayer and Katy Perry Are Now A Couple

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Katy Perry's Toxic Romance With John Mayer! Is She Headed for Heartbreak?

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Splash News (2)

Katy Perry and John Mayer Spotted on a Date Night in L.A.

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John Mayer Was "Humiliated" by Taylor Swift's 'Dear John' Song

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Courtesy of ABC/Ellen/WarnerBros.

John Mayer is Obsessed With 'The Bachelor': "It's Not a Guilty Pleasure... Just Pleasure"

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Courtesy of The Ellen DeGeneres Show

John Mayer Says Horrible 'Playboy' Interview Forced Him to Adulthood

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John Mayer Cancels Entire Tour Due to Serious Throat Condition! Is He Okay?

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Jessica Simpson's Baby Anxiety: Twins!

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WENN.com

John Mayer Undergoes Surgery to Remove Granuloma Near Vocal Cords; On "Vocal Rest" for a Month

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Jennifer Aniston Ultimate Gallery: From "The Rachel" & Brad Pitt to Justin Theroux's Chick

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John Mayer Diagnosed With Serious Throat Condition

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DJDM/WENN.com

Lunchtime Lowdown: John Mayer Postpones Album Due to Vocal Chord Issues; Melissa Rivers Speaks Out on Split From Jason Zimmerman

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John Mayer & Keith Urban Perform For Tiger Woods Foundation

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"Songs For Japan" iTunes Album Features 38 Hits by Music's Biggest Names

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Kate Winslet & John Mayer Secretly Dating?

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OK!'s Top Spot: Sunset Marquis' Bar 1200!

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Rock & Roll Hall of Fame Inducts Neil Diamond, Alice Cooper

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OK! TRAVEL: A-List Anguilla

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John Mayer Rocking the Scruff At LAX

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Lady Gaga Gets Born On the 2011 Grammys Red Carpet

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John Mayer a Johnny Depp Look-Alike At The Grammys!

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Jessica Simpson Looking Worse for Wear in WeHo

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Giada De Laurentiis Squashes John Mayer Rumors (Again!)

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Celebrity Fitness Maintains Its Hold on Hollywood

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POLL: Which of Jennifer Aniston's Exes Would You Give Up Your Career For?

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Beyonce, Kellan Lutz & More Celebrate the Cosmopolitan Las Vegas Grand Opening

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Lunchtime Lowdown: Shenae Grimes Dating John Mayer?

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Lunchtime Lowdown: Chris Colfer to 'Strike' on Silver Screen; Mel Gibson's Playdate with Lucia

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Kim Kardashian Says She Won't Stay Single for a Year

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Taylor Swift Says She Hasn't "Confirmed" Her Songs Are About Ex-Boyfriends

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John Mayer Exercises His Right to Wear Lady Shades

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Turn That Frown Upside Down, John Mayer!

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'Tough Love' Expert Steven Ward Weighs in on Taylor Swift's Relationships

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Giada De Laurentiis Denies John Mayer Hookup Reports

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Ellen DeGeneres Does Her Best to Get Taylor Swift to Talk Jake & John

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Kim Kardashian Dishes on Dating Rumors to OK!

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Gyllenswift? Jake Gyllenhaal & Taylor Swift's NYC Date Night

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IN THIS ISSUE: Jennifer Love Hewitt —"I'm Falling in Love with My Body"

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Taylor Swift Kisses,Tells... And Fans Can't Get Enough!

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Breakfast Links: Taylor Swift's John Mayer Song; Megan Fox to Co-Star With Jon Hamm

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Subject of Taylor Swift's Latest Song: John Mayer?

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John Mayer Checks Out Chinatown On His Own

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