If your outfit feels boring or unfinished, you may not need different clothes—you may just need a third piece. The third-piece rule is an easy styling trick that can make a simple top and bottom look more intentional and pulled together. It's especially useful for transitional fall dressing, when you want your outfits to start feeling like fall without piling on heavy layers. I'm sharing five ways to try it, including sweater jackets, utility jackets, ponchos, sweater blazers and even the simple trick of draping a sweater over your shoulders. LTKSeasonal LTKOver40 LTKMidsize