Kim Kardashian & Kanye West Fighting Over His Closeness With Rihanna

Kim is dying for a second child, and she can't stand that a baby doesn't seem to be Kanye's first priority. Plus, it doesn't help that the rapper may be planning a tour with Rihanna, who Kim is already totally intimidated by! Kim Kardashian's, 34, journey to have a second child is a major storyline on Season 10 of Keeping Up With The Kardashians, but she and Kanye West, 37, may not be having sex "500 times a day" for much longer. Instead, 'Ye is putting more of a focus on his career, which includes continued collaborations with Rihanna, 27 -- something that HollywoodLife.com has EXCLUSIVELY learned Kim is not okay with!

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Kim Kardashian Jealous Of Rihanna & Kanye West’s Friendship

Kanye and Rihanna have been friends for years, and throughout the last two months, they’ve once again taken the music world by storm with their single “Four, Five Seconds.” As HollywoodLife.com previously reported, a joint tour is next on the duo’s list…but not if Kim has anything to say about it.  

“Kim is really pressuring Kanye not to go on tour with Rihanna. If he does, he won’t be around all the time, which means they won’t always get to have sex when she’s ovulating,” an insider tells HollywoodLife.com EXCLUSIVELY.

But baby making isn’t the only reason the reality star wants her husband to nix the tour idea. “Kim also gets jealous of gorgeous, powerful women like Rihanna. She isn’t jealous of that many women, but Rihanna definitely intimidates her. She would rather Kanye not travel around the world with her, and they’ve definitely fought over it,” our source adds.

Kim Karadshian & Kanye West: Their Wild Sexual Experiments To Have A Baby

Since plans for a tour have yet to be finalized, Kim is making sure she’s taking advantage of having her hubby around for now, and things are getting pretty wild for the couple in the bedroom, HollywoodLife.com has EXCLUSIVELY learned.

“To improve their chances of having a baby, especially a boy, Kanye and Kim have been experimenting with different sex positions,” an insider told us. “Kanye jokes that he’s a sexual mad scientist.”

For now, Kimye will just have to continue soaking up every minute of their 21-month-old daughter, North’s, childhood — and considering she’s completely adorable, it shouldn’t be that hard!

What do you think, HollywoodLifers? Should Kim be jealous of Rihanna? Or does she have nothing to worry about?

— Alyssa Norwin, with reporting by Tim Plant