Cameron Diaz is giving spring layering a rich mom refresh . . . and it starts with a simple cardigan. If your usual jackets feel too heavy (or just plain), her latest look proves that a longer, softer layer can instantly make an outfit feel more refined. Even better, it's a style that's easy to recreate - and this $40 Amazon find nails it. Spotted in New York City on March 19, Diaz layered a gray cardigan over a button-up blouse with cropped jeans. She finished the look with heeled ankle boots, giving the outfit that easy, elevated spring feel.