Katy Perry and John Mayer’s Romance

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First Date

Perry and Mayer took their romance public on Aug. 1, 2012 when they enjoyed a dinner date at Pace restaurant in L.A. An eyewitness told Us the "Teenage Dream" singer and Mayer were "holding hands across the table," sneaking kisses, and laughing.

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Party Time

The musicians were spotted leaving a house party together in Los Feliz, Calif. on Aug. 11, 2012. Shortly after, multiple sources confirmed to Us that the couple had split and Perry was "really upset" over it. "She is making it seem like it wasn't serious with John, but she is hurt," and insider said.

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Hot and Cold

The couple reunited just in time to celebrate Mayer's 35th birthday. The on-again, off-again twosome dressed casually for a visit to Soho House Club in NYC on Oct. 16, 2012. A source told Us that Perry believed "she can change him."

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Big Apple Bonding

Perry and the birthday boy got all dressed up to party with friends at downtown NYC eatery Freeman's on Oct. 16, 2012. The "Part of Me" singer wore an adorable floral print dress and gray coat, and Mayer looked dapper in a bow tie. "John had a great time," an observer told Us. "He's matured."

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Romantic Rendezvous

The twosome enjoyed a romantic trip to Old Mission of Santa Barbara in Perry's hometown on Nov. 12, 2012. "It was just the two of them walking around at their own pace, just normal behavior," an eyewitness told Us.

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Christmas Cuties

Getting in the holiday spirit, Perry and Mayer posed for photos with cast members from A Christmas Story, The Musical at Lunt-Fontanne Theatre in NYC on Dec. 12, 2012. They celebrated Christmas together with Perry's parents in Santa Barbara, Calif. A friend of the pair told Us, "They are seriously in love and exclusive."

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Political Pals

On Jan. 21, 2013, Mayer and Perry attended the ceremonial swearing-in for President Barack Obama at the U.S. Capital during the 57th Presidential Inauguration in Washington.

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Bridal Ready?

Both wearing white, the singers were all smiles at the 55th annual Grammy Awards Pre-Grammy Gala and Salute to Industry Icons in L.A. on Feb. 9, 2013. "She fixed his hair and they chatted," a partygoer told Luxury Handbag Shopping. "They seemed really happy and content."

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Grammy Goers

Perry, wearing a stunning mint green dress, and Mayer, styling a blue velvet suit, posed together in the audience at the 55th annual Grammy Awards in L.A. on Feb. 10, 2013.

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After Party Attendees

Changing into a more casual green dress, Perry hit up the Sony Music Grammy Reception with Mayer at Bar Nineteen 12 in Beverly Hills on Feb. 10, 2013.

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V-Day Sweethearts

The couple celebrated Valentine's Day together by dining at Vincenti in L.A.'s Brentwood neighborhood on Feb. 14, 2013. "I don't feel like I'm in a celebrity relationship," Mayer told CBS This Morning about dating Perry at the time. "For the first time in my life I don't feel like I'm in a celebrity relationship.

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Workout Buddies

Mayer and Perry went on a double date hike together in Hollywood with pals Allison Williams and Ricky Van Veen on Feb. 29, 2013. Soon after, the couple split for a second time. "It's not over until it's over," an insider told Us. "You have to see how things play out." Another source added, "She's leaving the window open. They have both been so focused on work."

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Classy Couple

After rekindling their romance in May, the couple picked up where they left off. The "Paper Doll" singer was spotted escorting Perry out of The Waldorf Astoria in NYC on June 24, 2013. During their second breakup, Perry told Vogue magazine, "I still am madly in love with him. All I can say about that relationship is that he's got a beautiful mind. Beautiful mind, tortured soul. I do have to figure out why I am attracted to these broken birds."

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Dating Pros

Wearing a tight, sexy little black dress, Perry held onto Mayer's arm while leaving Tower Bar & Terrace restaurant at Sunset Tower Hotel in West Hollywood on July 23, 2013. In a tweet on Aug. 19, Perry called Mayer her "incredible, inspiring boyfriend." The lovebirds released their duet "Who You Love" on Aug. 12.

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"Who You Love"

The singers performed their collaboration "Who You Love" together at the Barclays Center in Brooklyn, New York on Dec. 17, 2013. " I really adore him and respect him as a musician," Perry explained to Ellen DeGeneres. "And that's why I was excited and agreed to do a song with him."

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Standing Up Together

The couple was all smiles at a Hollywood Stands Up to Cancer event in Culver City, Calif. on Jan. 28, 2014. A few days earlier, Perry brought Mayer as her date to a Grammys after party at the Ace Hotel in downtown L.A. "John and Katy were really cute together," an insider told Us of the date night. "John had a personal camera he was taking photographs with all night."