Houndstooth has its shining moment every Fall, so if you haven't dabbled with the classic print yet, now is the time. But before you checker yourself out, take a gander at three celebrity trendsetters and how they recently rocked houndstooth. Kelly Osbourne carried this Jil Sander houndstooth clutch ($270) with her bright colorblock ensemble at New York Fashion Week Spring 2013, Gwen Stefani threw on a houndstooth Stella McCartney blazer over her silky black jumpsuit in London, and Leigh Lezark sported a blue House of Holland houndstooth top with black jeans at the designer's show at London Fashion Week. Inspired by these celebs, we set off to find our favorite houndstooth pieces for Fall. Shop everything from Kelly's exact clutch to checkered blazers, tops, skirts, leggings, and more.