Looks like Kylie Jenner's learning the hard way not to mess with Kanye West or his growing fashion empire!

On last night's episode of Keeping Up with the Kardashians, the rapper, 39, got angry over the 18-year-old's deal with athletic wear company Puma since she had previously worked with him on his Adidas line.

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"Kanye had Kylie walk in his first two shows, he really believed in her as part of his brand," Kim Kardashian explained to the camera. "I get my mom's job is to get us deals … but everything has to be really carefully played out and I feel like this was a conflict of interest."

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Kylie modeling in the YEEZY Season 1 show.

The 35-year-old continued, "I just wish my mom spoke about it with us. We should all be able to communicate so we don't step on anyone's toes."

But momager Kris Jenner defended the booking, telling Kim, "I run a business and the biggest part of my business it to pay attention to everyone involved … Sometimes it's about a business decision."

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The mother-of-two wasn't ready to go down without a fight, responding to the 60-year-old, "Sometimes when you're dealing with family, it's not really about a business decision. She was the model that he wanted … I just would have liked the heads up."

The conversation may have been awkward, but we know the family will work it out. Scroll through the gallery below for some of Kim and Kanye's most cringe-worthy moments!