According to RadarOnline, Perry dumped him over the weekend, allegedly because she couldn't tolerate his wandering eye. That, and he wasn't affectionate and attentive enough to suit her.
One of those secretive, unnamed sources told the gossip site, quote, "John just can’t commit, and he kept luring Katy back with promises that [he] was going to change, but then he didn't."
The source adds that even though Katy "was pretty crazy about him," she got tired of being a "booty call" and "finally she was like 'lose my number.'"
WATCH LADY GAGA PUKE ON STAGE: Thank goodness for "backing vocals". Otherwise, LADY GAGA would have had to have stopped last night's concert in Barcelona so she could puked on stage.
Instead, she just turned her back to the crowd, ralphed up her dinner, and continued to dance while her flawless "singing" continued without interruption.
Gaga later Tweeted out a link of the video to her Little Monsters, writing, "Was praying nobody saw but actually its quite a good laugh if u need one!"
On a related Gaga note ... she was photographed walking around some town in France over the weekend wearing a denim bra and shorts, and not looking the least bit overweight.(PHOTO)
OPRAH IS OKAY WITH RIHANNA AND CHRIS BROWN REKINDLING THEIR ROMANCE: It appears CHRIS BROWN and RIHANNA are heading towards a reunion, and although you may be up in arms about it, know this: OPRAH isn't as judgemental as you are.
"I think that if she is prepared to deal with that and is prepared to help him help himself then so be it," O told "Extra" over the weekend.
"I have no judgment about it." This is the Word of Oprah. Praise be to Oprah.
BABY POOP - SHAKIRA SHOWS OFF BABY BUMP: SHAKIRA hit up Facebook to debut her baby bump.
She captioned the photo, "Now I don't have a six pack, only one pack!!"
COVER SHOT - MILA KUNIS, SEXIEST WOMAN ALIVE: MILA KUNIS has been named the Sexiest Woman Alive by "Esquire" magazine. Kunis dethroned last year's winner, Rihanna, who is apparently no longer sexy, a woman, or no alive.
CELEBRITY BIRTHDAYS FOR OCTOBER 8 – MATT DAMON AND MORE
ROMANCE REPORT - GEORGE CLOONEY AND STACY KEIBLER END BREAKUP RUMORS: GEORGE CLOONEY AND STACY KEIBLER have put those breakup rumors to rest, stepping out together for the L.A. premiere of the film "Argo", which Clooney produced.
Keibler was all smiles as she posed next to her man wearing a black dress with cut outs that showed off her toned body.
SPLITSVILLE - POPULATION 'BACHELOR' BEN: Yet another 'Bachelor' couple bites the dust. 'Bachelor' Ben Flajnik and fiancée Courtney Robertson announced over the weekend that they have called off their engagement.
The former couple told 'In Touch', quote, "The ups and downs weighed heavily on us both and ultimately we started to grow apart because of the distance, time apart, and our need to focus on our respective careers."
For those of you keeping score, this means "The Bachelor" is now 0-for-16 in creating lasting relationships. I'm just as shocked as you are. Evidently meeting, dating, and getting engaged over the course 4 to 6 weeks on a TV show is a flawed formula. I know!
MARIAH CAREY SHOWS US HER PICS: MARIAH Tweeted out this pic of her and her main man, NICK CANNON, celebrating his birthday over the weekend. Nick is 32 today.
YES OR NO - 'THE PRICE IS RIGHT' FIRST MALE MODEL: "The Price Is Right" has found its first MALE model. He's a 24-year-old dude named Rob Wilson who'll appear on the show beginning next week and maybe longer if it works out.
So what do you think, hot or not?