However, Jenner added that her son-in-law is a perfectionist when it comes to dressing his family. "He makes sure the fit is right or that you know it's perfect," she explained. "I went in for the fitting, picked an outfit, got in the car. I was halfway back to my hotel and I got a call saying, 'He doesn't think it looks right, why don't you come on back?'"
Jenner also surprisingly named Caitlyn Jenner the worst dressed of New York Fashion Week, referring to her ex's cream-colored ensemble at the Yeezy Season 3 show last Thursday.
"My worst I think is going to be Caitlyn and here's why, I can't handle the shoes with the skirt," she explained. "The second reason is, because, I really would have liked this outfit for myself, and she kind of stole it."
"I'm a little jealous," she added. "I'm a little angry that I didn't get that skirt to be honest."
ET spoke with Jenner the morning of West's show and she was adamant that the family supported him "100 percent."
"He's so talented, and he's got such a great vision," she gushed. "He's such an amazing force of creation when he's in the studio, and he's doing -- not the music studio, which is also another whole side of him that's so amazing with his new album, and everything else going on -- but how he creates clothing."
Jenner added, "That whole process is fascinating to me, because he's really got just a great perspective on fashion, and I am very inspired by that."