"America's Got Talent" host Nick Cannon, 31, has been hospitalized in Aspen with mild kidney failure.

Superstar wife Mariah Carey tweeted a photo with her husband in his hospital bed, writing, "Please pray for Nick as he's fighting to recover from a mild kidney failure. #mybraveman."

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Check out Mariah Carey and Justin Bieber's remake of Mariah's Christmas song "All I Want for Christmas Is You"!

Bieber debuted the video at the Rockefeller Center Christmas tree lighting ceremony in NYC on Wednesday.

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Mariah Carey talked exclusively with "Extra's" AJ Calloway at her home, shooting "When Christmas Comes," her music video duet with John Legend -- which also features her 6-month old twins, Moroccan and Monroe.

"'When Christmas Comes,' people need to hear the song; I think John Legend swung it home!" gushed Mariah. "I think the fact that the babies are in the video is great."

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Jenny Craig spokesperson Mariah Carey talked with "Extra's" AJ Calloway after her press conference Wednesday, and she set the record straight on her comment about short-lived Hollywood marriages.

During the Jenny Craig press conference, Carey remarked, "I'm a real person, I'm not going to put on a fake face for Hollywood. Sometimes we make each other mad, that's why we aren't divorced after four months."

But she told Calloway she was commenting on how she wants to stay married, even though it can be tough in Hollywood. "First of all, I don't read the tabloids unless it's about me. And even then, when it is about me, I try not to read it unless it's good," she laughed. "I don't look at these people; I don't even know what it is, but I do know that marriages come and go really quickly in Hollywood."

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New mom Mariah Carey has shed 30 pounds in the last three months for a total weight loss of 70 pounds!

The singer, who welcomed her babies six months ago with husband Nick Cannon, told US Weekly, "I gained an enormous amount of weight."

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Singer Mariah Carey and "America's Got Talent" host Nick Cannon revealed their six-month-old twins, Moroccan and Monroe, for the first time to Barbara Walters on "20/20."

"I don't think I understood the enormity and the magnitude of what it really does to your body," Carey said. "Carrying two babies. Unless somebody's been through it, it's difficult to understand what I went through, because my pregnancy was very unique in terms of what happened to me."

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Mariah Carey and husband Nick Cannon sat down exclusively with "20/20" correspondent Barbara Walters, and for the first time, the world will see the faces of their 6-month-old twins, Moroccan and Monroe. The interview airs Friday, October 21.

Watch this preview!

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After months of speculation, Mariah Carey will join "X Factor" as a "guest of a judge" for the much-anticipated FOX competition series.

"Extra's" Terri Seymour spoke with Carey's husband, Nick Cannon, who hosts "America's Got Talent." Cannon confirmed, "Now it's official. I still don't know what she's doing, but she's doing something! She's ready... she's excited!"

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