Kim Kardashian [1] is known for showing off her famous curves [2], but this year, she really took things up an extra notch. In addition to heating things up on the red carpet with her form-fitting outfits, the 38-year-old [3] reality star bared it all on Instagram [4] with some NSFW snaps [5]. In fact, Kim has had so many sexy moments this year, we've basically lost count. From her bikini-clad vacations to her racy selfies, take a look at her hottest snaps ahead.