Katy Perry and John Mayer in Hollywood

"Reuniting again after a well-known break-up, Katy Perry and John Mayer have reportedly been spotted cozying up around Tinseltown.

On Saturday (November 10), the on-again couple attended a party at St. Felix in Hollywood to celebrate the birthdays of Hello Giggles blogger Sophia Rossi and "New Girl" co-creator Liz Meriwether. At the bash, the "Wide Awake" singer and her 35-year-old beau looked "so affectionate," according to an Us Weekly source."

(SOURCE: http://celebrity-gossip.net/katy-perry/report-katy-perry-and-john-mayer-full-dating-759918)

Katy Perry and John Mayer in NYC

"Heading back out into the Big Apple, Katy Perry and John Mayer attempted to make a swift exit from his apartment in New York City on Wednesday (October 17).

The “California Girls” songstress sought to avoid the waiting photographers as best she could, walking with her hood on and head down, while her “No Such Thing” beau followed close behind.

The morning walk comes just after the on-again musical couple spent the night out celebrating Mayer’s 35th birthday.

Katy and John enjoyed a fun evening at Box Nightclub, before the birthday boy politely escorted out his stunning lady back to his digs."

(SOURCE: http://celebrity-gossip.net/katy-perry/katy-perry-and-john-mayer-hit-city-after-night-town-745479)

Katy Perry and John Mayer in NYC

"Katy Perry dons a colorful dress while heading out to celebrate her boyfriend John Mayer‘s birthday on Tuesday (October 16) in New York City.

Earlier in the day, the 27-year-old pop star and her 35-year-old beau were spotted having lunch together at ABC Kitchen in the Big Apple."

(SOURCE: http://adf.ly/DlybV)

Katy Perry and John Mayer at NYC

"Happy Birthday John Mayer! The newly 35-year-old singer and his lady friend Katy Perry were spotted grabbing a special lunch in the West Village of New York City on Tuesday (October 16).

The 27-year-old pop star rocked black skinnies with a denim vest and black floppy hat as she led the way into the restaurant.

In related news, the A-list couple spent an eventful weekend together in the Big Apple.

Sources report that Katy and John enjoyed dinner at Perla on Sunday night and ordered a huge bowl of pasta.

"Katy and John sat across from one another. They seemed relaxed and comfortable. Katy was over-the-moon happy... and laughing a lot. John was just as happy. They were really flirty. They kept leaning into each other over the table to talk,” the source added."

(SOURCE: http://celebrity-gossip.net/katy-perry/john-mayer-katy-perry-big-apple-birthday-lunch-744700)