Jersey Shore's Ronnie Magro and Sammi Giancola Break Up for Good 
 
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 Chris Christie: What You Don't Know About the Jersey Shore 
 
 After a tumultuous five-year romance , which played out on MTV's smash hit reality show Jersey Shore, Ronnie Ortiz-Magro, 28, and Sammi "Sweetheart" Giancola, 27, have called it quits for good , he tells PEOPLE."We were drifting apart and not really spending any time together," Magro told PEOPLE at the premiere of former costar Jenni "JWoww" Farley's new film, Jersey Shore Massacre, out Aug. 22.After splitting and rekindling their romance several times on the show, the couple finally parted ways two months ago, he says."I still care about her," he said, adding that he's not ready to date again. "She's a great girl, but we were growing distant. It was for the best."For now, Magro says, he's getting practice for his own future family playing uncle to JWoww's 5-week-old daughter Meilani , with her fiancé Roger Mathews.Adds Magro: "She's really squirmy and looks just like Roger!" ||||| Mariah Carey & Nick Cannon Divorce 'A Done Deal' Separated for Months 
 
 Mariah Carey & Nick Cannon: Divorce 'A Done Deal' -- Separated For Months 
 
 EXCLUSIVE 
 
 Mariah Carey and Nick Cannon separated back in May -- and are living apart ... and we're told divorce lawyers have been negotiating a property settlement and custody agreement for months and the divorce is "a done deal." 
 
 Sources connected with the couple tell TMZ ... Mariah and Nick have been living in separate houses in NYC since May. He sees the kids but that's the extent of their contact.Our sources say ... Nick's appearance on Big Boy's radio show in March was the beginning of the end. Nick played Big Boy's game -- name the 5 celebs you've slept with. Nick named 5, but our sources say the one that made Mariah insane wasWe're told Mariah tore into Nick for weeks ... feeling humiliated and the relationship never recovered.We're told it went from bad to worse when Nick went onand talked about Mariah not giving it up before they got hitched. She went nuclear.Our sources say Mariah feels Nick has abandoned her by taking every gig that's on the table ... when they don't need the money. She's especially angry because it keeps him away from their kids.For Nick's part ... we're told he feels Mariah has become impossible because she surrounds herself with "yes men." He says she can't handle it when he dares to disagree with her.We're also told Nick is incredulous Mariah is bitching about his work ethic ... he says he's generated $75 million since 2011 for the family. ||||| Meg Ryan and John Mellencamp Split 
 
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 Meg Ryan and John Mellencamp have ended their relationship as quietly as they began it The actress, 52, and the rocker, 62, split recently after dating for more than three years , PEOPLE has confirmed."It was the distance," a source tells PEOPLE. "She lives in New York and he resides in Indiana. It was the long distance that ultimately was the cause."The pair – who were last spotted together in May – became an item in late 2010, shortly after Mellencamp's split from wife Elaine after 18 years of marriage.They kept a low profile during the past three years, stepping out together for the occasional industry event and being spotted now and again on the streets of New York. But Indiana native Mellencamp had expressed his unhappiness at calling New York City home."I'm too sensitive to live there," he told Rolling Stone in December. "I can't see poor people. I can't see the suffering. I can't see the trash on the streets." When it comes to paparazzi attention, he added, "I don't like it for [Ryan]. "I'm not leaving Indiana. I'm going to die here."Both stars have big projects coming up: Mellencamp, a father of five, is poised to release his 22nd album, Plain Spoken, in November. Meanwhile, Ryan, who has son Jack, 22, with ex-husband Dennis Quaid, and daughter Daisy, 9, has been busy working on her directorial debut, Ithaca, a WWII coming-of-age drama that's being executive-produced by Ryan's Sleepless in Seattle costar Tom Hanks.The film marks a major return to Hollywood for the very private actress, who has deliberately avoided the spotlight since making her last major film, 2008's The Women. The onetime soap star had been poised to make her small-screen return this fall with a new pilot and the role of the narrator in the planned How I Met Your Mother spin-off, but neither show was picked up.Reps for the pair have not yet commented. Closer Weekly first broke news of the split.
– Is there something in the water? Hollywood has been hit with a rash of break-ups: After more than three years together, Meg Ryan and John Mellencamp are over, People reports. "It was the long distance that ultimately was the cause," says one source; Ryan, 52, lives in New York while Mellencamp, 62, lives in Indiana. Michelle Rodriguez and Zac Efron weren't together nearly so long, but they, too, are finished after almost two months of dating, Us reports. "Michelle is going to do her own thing. Zac knew this about her when he got with her," one source says. "He's very into her though, and perhaps more than she's into him." Rodriguez, 36, and Efron, 26, reportedly had a big fight in Ibiza that prompted the split. In slightly more D-list news, Jersey Shore couple Ronnie Magro and Sammi "Sweetheart" Giancola are done for good after an on-again, off-again five-year relationship, Magro tells People. "We were drifting apart and not really spending any time together," he says. "She's a great girl, but we were growing distant." And, though there's no official word on this yet, multiple outlets are reporting that Mariah Carey and Nick Cannon are all but divorced. Lawyers have been negotiating property and custody agreements for months, according to TMZ, and the couple has been living separately since May. According to Page Six's sources, Carey, 45, thinks Cannon, 33, might have cheated.