Kendall and Kylie Jenner are their own best advertisements! The supermodel and cosmetics queen have been working together on their clothing line Kendall X Kylie and teased a new collection on Tuesday.

Kendall Jenner and younger sis Kylie Jenner are undoubtedly two of the most fashionable twenty-something-year-old A-listers. So it should come as no surprise to see that they have both recently rocked ...