Between them, Kendall and Kylie Jenner have over 90 million followers on Instagram. The youngest of Kris Jenner's six children, Kendall, 20, and Kylie, 18, 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 launching her own insanely popular makeup line. One thing they already have locked down tight, without question, is social media. Their aspirational photos are often trending and get thousands of "likes," and they're clearly the teen queens of filtered photos. Here's how they do it.