Citizens of Humanity denim ($238), which she cuffed at the bottom. We dig the juxtaposition between the fitted top and baggy bottoms. The stylish mom then added a few key pieces to round out the laid-back look. She wore a black straw hat on her head, threw on a deep red Marni crossbody bag for a hint of color, then finished with black strappy sandals. To give your own boyfriend jeans a fresh treatment, just follow Jessica's lead and match them with a fitted camisole — in any color! — and add your favorite accessories to finish. Shop similar pieces below to get started. Then be sure to check out 44 more outstanding outfits from Jessica Alba.