Serious Yeezy!

On Sunday Kanye West stepped out in Beverly Hills, and he wasn't his usual chipper self when we caught up with him. On last night's episode of Keeping Up With the Kardashians, we got a taste for how momager Kris Jenner handles the family business -- and how pissed Kanye was about Kylie Jenner's Puma deal earlier this year.

"Kanye had Kylie walk in his first two shows, he really believed in her as part of his brand," Kim told the camera during their adventure in Cuba. "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."

Kim continued to stick her nose in Kylie's business when she returned to LA. (Kylie wasn't with Kourt, Khloe and Kim on the trip). "I just wish my mom spoke about it wish us," Kim ranted on. "We should all be able to communicate so we don't step on anyone's toes." Kris defended herself after Kim confronted her and said, "I run a business and the biggest part of my business it to pay attention to everyone involved ... and the best first for each one of my clients. Sometimes it's about a business decision." Oh, like Kim's sex tape?

"Sometimes when you're dealing with family, it's not really about a business decision," Kim fired back. "She was the model that he wanted ... I just would have liked the heads up ... He had no idea until the shoot was already happening." Kris replied, "I am just trying to do the best job for everyone that I can. Sometimes I get ahead of myself and forget to communicate the way I should."