WireImage, David Sims for Marc Jacobs
Kendall looks completely different wearing minimal makeup in the brand's newest ads, and her photos remind us of the look she sported for their spring runway show at New York Fashion Week.
We barely even recognized Karlie under the same dark, shaggy hairstyle as Kendall.
What do you think of Kendall and Karlie's dramatic makeovers? Tell us your reactions in the comments section below.