2013…the year the '90s came back to life. (Man, are we grateful for that.) But as we say peace to the year, let's take a moment to recap the biggest celebrity trends of the last twelve months. From crop tops to sneakers, A-listers were more comfy and casual than ever. Check out our picks for “must try stat”—and don't worry, when the clock strikes midnight on January 1, they'll still be in style. Score.