One major trend that the fall 2011 collections saw was plaid. Celine, Rag & Bone, Derek Lam, DKNY, Chris Benz and others embraced the check. Maybe plaid brings to mind a school girl get up or the days of 90s grunge, but it’s undergone a serious makeover. Refined pieces like ladylike sheaths, chiffon tops and accessories are just a few of the many options to look out for this season. Add a fun touch to a LBD with some plaid leggings or throw on a plaid jacket over basic jeans and tee. Check out the 5 plaid pieces to update your wardrobe this fall.