Between them, Kendall and Kylie Jenner have over 18 million followers on Instagram. The youngest of Kris Jenner's six children, Kendall, 18, and Kylie, 16, practically grew up on Keeping Up With the Kardashians. Yet they've forged their own non-reality-TV paths, with Kendall finding success as a high-fashion model and Kylie plotting a career as a designer. One thing they already have locked down tight: social media. Their aspirational photos often make the trending page and get thousands of "likes." They're clearly the teen queens of filtered photos. Here's how they do it.