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With such a talented pool of family members to tap for his Yeezy Season 4 fashion show, Kendall and Kylie's decision to cheer on Kanye West from the sidelines came as a surprise to some. 

The famous sisters caught up exclusively with E! News' Catt Sadler during the launch of their Kendall + Kylie Fall 2016 collection to explain why they believed their brother-in-law's line could shine without their star power. In fact, the opportunity to sit alongside Kim Kardashian and a number of other A-listers came as a welcomed relief for the duo, who have quite a few New York Fashion Week responsibilities of their own. 

"It's really cool to sit and watch. It's like a whole new world," Kendall dished, adding, "It's kind of nice to not feel the pressure of having to walk, and sitting there for a couple hours before."

With as many catwalks the supermodel has strutted over the years, the 20-year-old totally deserves some time off her feet. 

Kylie echoed her big sister's explanation, saying, "I used to walk but I've gotten to a new level and now I get to sit and watch. It's fun. I like being on the other side." The 19-year-old famously made her runway debut in the "Ultralight Beam" rapper's first Yeezy fashion show in 2015, and walked again in Yeezy Season 2 during last year's New York Fashion Week.

As for Kendall and Kylie's exciting new clothing line, which launched Wednesday night with an event in partnership with Samsung, the supermodel told us she's looking forward to working with her sister once again.

"It's actually really nice because we used to work together a lot, and now we don't as much. We kind of parted ways and do our own thing, so this is a nice thing that brings us back together," Kendall admitted. 

She continued, "Our styles' kind of different but our tastes are very similar so we never really butt heads."

For more from Kendall and Kylie, don't miss E! News tonight at 7 and 11 p.m. New episodes of Keeping Up With the Kardashians return Sunday, Oct. 23 at 9 p.m., only on E!