We may earn commission from links on this page, but we only recommend products we love. Promise. Rachpoot/Bauer-Griffin // Getty Images If you’ve ever uttered the name Hailey Bieber , I’m guessing you probably already own several trendy spring coats. I’d bet you have a long khaki trench coat , a vintage denim jacket, and at least two or three leather jackets already hanging in your closet. (I’m right, aren’t I?) I’d also be willing to bet you’re in dire need of at least three more lightweight options—because no wardrobe is complete without these seven key spring coats I’m about to outline for ya below. Never underestimate the importance of the spring coat—the underrated outerwear category is the answer to pretty much every transitional dressing -related styling question. For example: If you’ve ever stood in front of your closet, wondering how to dress for chilly-then-hot-then-rainy spring weather, add a weather-proof barn jacket (and some spring-forward boots while you’re at it).…