Kanye West has been bugging his Barbie Doll wife, Bianca Censori , to get pregnant with his child ever since Day One of their odd and seemingly transactional romance – and RadarOnline.com can reveal the rapper is getting angry and frustrated because she knows she's got the upper hand and is standing firm.

"Kanye believes the combination of his genes with Bianca's would make for perfect offspring to carry on his genius into the next generation," said a source. Article continues below advertisement

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"But Bianca has made it clear she won't be pressured into something she doesn't want to do. Kanye can't get away with ordering her about because she's in a much stronger position. S

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