Kylie Jenner's adorable little girl is a quick study when it comes to snowboarding.While on vacation in Aspen, Colorado, for some fun winter festivities, the 23-year-old cosmetics mogul took her 2-year-old daughter Stormi to go snowboarding, and shared a cute video of her little girl's impressive progress.In the clip Stormi is given a little nudge and manages to ride the board down a gentle slope for quite a few feet before coming to a stop without falling.A joyful Jenner can be heard yelling,