Kendall supported her sister at an event promoting Kylie’s vodka soda drink Sprinter on Friday, May 10, in Las Vegas Kylie Jenner/Instagram Kylie (left) and Kendall Jenner Kylie Jenner and her sister Kendall Jenner are kicking off another hot-girl summer! Kendall, 28, supported Kylie, 26, at an event at Marquee in Las Vegas promoting 818 […]