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A Sister For Nori? Kim Kardashian And Kanye West Already Talking Baby #2!

Is the world ready to meet South West? Just four months after Kim Kardashian gave birth to daughter North West, RadarOnline.com has exclusively learned that the Keeping Up with the Kardashians star and her baby daddy, Kanye West, are already planning to have another child!

“They are discussing having another baby right away,” a source close to West tells RadarOnline.com. “It’s serious.”

Why the rush? Kardashian, 32, “is well aware that she’s getting older, and that if she wants to have a bigger family, then she needs to get it done,” the source explains.

In addition, “Kim is telling Kanye that she doesn’t think it makes sense to gain pregnancy weight, lose it, and then gain it all back again,” adds the insider. “She’s starting to think she might want to just suck it up and be big and pregnant in one long go and then lose the weight once and for all.”

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Kanye likes Kim at any size, so that part doesn’t matter to him,” the source explains. “But he loves the idea of having another baby soon.”

Indeed, the duo have been wrapped up in baby bliss since the birth of Nori earlier this year — even though, as we exclusively reported, they have no intentions of getting hitched.

“Both of them are so blown away with her,” says the source. “And Kanye is a better father than anyone ever imagined he would be.”

While they haven’t made a concrete decision yet on giving Nori some siblings, the source says it’s only a matter of time.

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“Kim and Kanye believe what will be will be,” the source says, “but since she got pregnant so easily the first time around, Kim could be pregnant again soon!”

Other celebs have had their children in rapid succession. Jessica Simpson got pregnant with son Ace less than six months after giving birth to daughter Maxwell. And Britney Spears gave birth to son Sean in November 2005 and got pregnant with son Jayden around three months later.

But the champion is Tori Spelling, who discovered she was pregnant with son Finn just one month after giving birth to her daughter, Hattie!