If you're looking to spice up your everyday jeans and cardigan, take notes from Reese Witherspoon! It's all in the details and accessories here. Piping and fancy embellishments on this Barneys cardigan present a preppy and ladylike vibe, and patent leather pumps are definitely a step above your basic sneaker. Reese's pearl earrings and a small studded crossbody are tasteful pieces that bring the look together exceptionally well.