Kendall and Kylie Jenner Reveal Which Kardashian Sister Has the Best Style

Extra credit alert! Teens Kylie and Kendall Jenner, half-siblings to the Kardashian sisters, launched an exclusive 26-piece Spring collection with clothing retailer PacSun earlier in the year, and on May 12, their Summer collection hits stores. The design duo gave Brittny Gastineau, big sis Kim Kardashian's bestie, a sneak peek at their latest designs.

In the video, posted on fashion/beauty/lifestyle website Eye on Glam, Gastineau starts the interview by talking about how she knew them when they were "little and quiet" and now they are "women." Not quite! Kylie is only 15 and Kendall is 17. Yet, the two are already following in their older sibling's entrepreneurial, well-heeled footsteps.

kendall and kylie
Kendall and Kylie Jenner discuss their Summer collection for PacSun Donna Svennevik/Disney-ABC via Getty

Asked about their style icons, Kendall quickly lists Blake Lively and the Olsen twins, Mary-Kate and Ashley. Each sister also offered up their favorite fashionista sibling. "I love Kim's style lately. Even her pregnancy style is so cute," says Kylie, who also reveals that Kim gave her hand-me-down dresses that didn't fit her anymore.

PHOTOS: Who Wore It Best — the Kardashian edition!

"I think Kourtney is the best at putting things together," offers Kendall. The model also gushed about Khloe's impressive shoe collection. "Khloe has the best shoes ever…[and] I'm the same exact size as her!"

The two also shared their favorite pieces from their summer collection, which features high-waist shorts, cut-out dresses, crop tops and skimpy swimsuits (one of which Gastineau deems "super sexy") ranging from $29.50 to $62.50.

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