John Mayer

Dating again? Katy Perry and John Mayer enjoy a romantic night out in Disneyland – see the photos!

The former NYC club bodyguard who claimed he was forced to “buy cocaine for celebrities” such as John Mayer and Chris Evans is writing a tell-all book — and RadarOnline.com has all the exclusive details.

A former celebrity bodyguard claims he was forced to “buy cocaine for celebrities” such as John Mayer and Chris Evans while he worked at a New York nightclub.

It's over already! Just two months after rekindling their romance, RadarOnline.com has learned that Katy Perry and John Mayer have called it quits yet again. Find out what went wrong!

Katy Perry Fighting With Boyfriend John Mayer Over Super Bowl Success

Katy Perry and her on-again boyfriend John Mayer love making sweet music together! So will he be joining her onstage for the most important performance of her life at the Super Bowl this weekend? A performance insider told RadarOnline.com what fans can expect.

Katy Perry’s friends are worried that she’s going to get hurt after reuniting with John Mayer for the third time, and they’re telling RadarOnline.com that she’s already “ignoring red flags.”

Katy Perry and John Mayer’s rollercoaster romance seems to have hit a high point yet again. After they were spotted out to dinner with friends earlier this week, RadarOnline.com can reveal that the couple secretly met up on Thursday for a steamy afternoon hotel hookup!

Katy Perry and John Mayer are dating again after breaking up in 2014. The couple was spotted having dinner and later enjoyed a sleepover.

Giada De Laurentiis’ bombshell divorce announcement came as a surprise Monday after her 11 years of marriage to Todd Thompson. Though the couple’s filings

A surprising number of celebrities – and high-profile ones, at that – have romanced the same person, sometimes at the same time.

Sometimes celebrities date non-celebs.

Taylor Swift is taking a break from dating at the urging of her business team---because she's a man repeller!, RadarOnline.com  has learned. "Taylor's advisers

Here are the 23 biggest music feuds of all time!

From Kim Kardashian to Britney Spears, which of these celebs look better with brown hair and which ones are naturally flirty, fun blondes?

Gwen Korovin, the doctor in Joan Rivers' procedure gone wrong in now in hiding.

Katy Perry is loving the time she's spending with DJ Diplo.

The 29-year-old “Birthday” singer sat down with raunchy comedienne and author Chelsea Handler to discuss her high-profile relationships.

John Mayer knew just what he was doing when he bought fake Rolexes — at least, according to the man who sold him the pricy pieces. Mayer sued Rolex dealer

Most people take time to regroup after a breakup, but Katy Perry is not most people. After splitting from John Mayer in February, RadarOnline.com has

Some come to the Coachella for the concerts; others, for the parties; and some, for romance. Katy Perry got a taste of all three this weekend when she was

Miley Cyrus has appalled the world with her tongue-wagging twerking ways but now there's a new outrage--she actually spit on fans during a recent concert in

John Mayer can't catch a break when it comes to love. A "jerk" of a boyfriend by his own admission, the singer's most noteworthy good dating behavior has been

John Mayer's womanizing ways have finally caught up to him. In a new report, Star claims that Katy Perry kicked the  "Who You Love" crooner to the curb --

It hasn’t been the best week for rock star relationships. Days after Robin Thicke announced his marital separation, Billboard power couple Katy Perry and John

As things continue to heat up between John Mayer and Katy Perry, the crooner's ex, Jennifer Aniston, had made peace with their intense love affair

Forty-three years after the Beatles broke up, sending millions of teen fans into a tailspin, the last surviving members are reportedly planning another walk

Hear her "Roar." Katy Perry took a loss in ridding herself of the last remnant tying her to ex-husband Russell Brand, Park Hill, the West Hollywood mansion she

Celebrities are known for making outrageous demands backstage at their shows and in their hotel room, and it turns out Katy Perry and John Mayer aren't any

Is Katy Perry about to become Mrs. John Mayer? The Prism singer sported a tiny (by celebrity standards) diamond solitaire ring on her left hand on Sunday

Perpetually lovelorn pop superstar Taylor Swift has finally admitted something that the world's been thinking for years: Maybe she's the problem. Swift

Katy Perry has finally sold the Los Angeles home she once shared with ex-husband Russell Brand, and we've got all the details for you right here on

Whether showing up hours late for concerts or cracking an audience member on the head with her mic, Rihanna has always practiced her own particular brand of fan

How do you wind up on Taylor Swift’s sh*t list? It’s simple – be one of her ex-boyfriends! The 23-year-old singer is known to rip her relationships through

John Mayer opened his new Born & Raised Tour Saturday night in Milwaukee with a tribute to girlfriend Katy Perry. Mayer called Perry "more incredible than I

There are definitely fireworks in Katy Perry and John Mayer’s relationship! The happy couple celebrated the 4th of July together and Katy shared a picture of

Taylor Swift is the princess of country music, but to the controversial Westboro Baptist Church, she's basically the whore of Babylon. "This girl is a whore,"

Things are definitely back on with Katy Perry and John Mayer! After being spotted out together in New York City over the weekend, the on-again-off-again lovers

Apparently Katy Perry’s Vogue interview got her back into the arms of John Mayer! Days after her extensive Vogue cover story hit newsstands, in which the

The relationship is over, but that won't stop Katy Perry from gushing about ex-lover John Mayer. The I Kissed A Girl divorcee -- covering the July 2013 issue

Sounds like Taylor Swift is getting a taste of her own medicine! After writing several revenge songs slamming her exes, the 22-year-old country singer is

Taylor Swift might not ever, ever get back together with her ex-boyfriends and according to a new report she was “bitter” about even being near John Mayer! The

Star magazine has compiled a list of the most hated celebrities in Hollywood, and RadarOnline.com is giving you a sneak peek of the loathsome lineup, composed

Could Katy Perry and ex-husband, Russell Brand, be heading for a reunion? The outspoken British comedian has been nursing the Firework singer through her

John Mayer may have boasted about his wandering eye on The Ellen DeGeneres Show, but he failed to mention his own jealousy issues if his partner did the

John Mayer is done dropping juicy tidbits about his failed romances. The Daughters singer, 35, appears on Ellen Tuesday, and gives little details as to why his

John Mayer is ready to speak up about the horrors of his two-year long vocal cord drama, which almost cost him his career! The singer/songwriter, who recently

In breakup news that won't shock many people in Hollywood, Katy Perry and John Mayer have parted ways yet again! In what no one ever really believed to be a

Taylor Swift's love life is officially trivia fodder. On Wednesday's Jeopardy!, a question (with her as the answer) read, "2009's best female country vocal

Chelsea Handler, appearing on Watch What Happens Live, has a theory about Taylor Swift's carousel of high-profile, short-term relationships. "My theory about