Kanye West doesn't play when it comes to Keeping Up With The Kardashians breakout star Kim Kardashian keeping up her curvy figure.

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He went as far as going off on a trainer who told Kim Kardashian that it would be nearly impossible for her to reach her ideal weight of 120 pounds.

Kardashian recounted the story with her younger sister Khloe Kardashian on Sunday night's episode of Keeping Up With The Kardashians.

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"She's like, 'There's no way. I can't even imagine you 15 pounds lighter.' Kanye's like, 'Wait a minute. You are the trainer and you're telling me you can't imagine her 15 lbs. ligher? We need to get another trainer then, because if I tell you she needs to lose weight in between her toe, you would have figured out a toe weight.'"

Aside from trying to reach an aggressive low weight, Kim goes to great lengths to get pregnant again in the upcoming episode of the series.

She revealed to her family that while she can still have another child, her doctor told her it could only be one more. She and West are parents to two-year-old North West.

Kim asks, "You have to remove my uterus?"

She might have to put her goal weight aside for a moment to get pregnant. She revealed that she gained 50 pounds when she was toting North in her belly. She quickly lost the weight after giving birth.

Keeping Up With The Kardashians airs Sundays at 9/8c on E!

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Keeping Up With The Kardashians, E!, Reality TV