While blue denim is undeniably the most popular style ... jeans, black denim deserves the same amount of space in everyone's closet. They're more versatile, pairing as well with the best T-shirts ...

Outfit 1: Take this open front cardigan jacket in a rich nutmeg color and layer over a seamless white bodysuit with jeans.

From the red polka dot style ... is a key preppy styling trick that gives off schoolgirl vibes. And there's no right way to do it, whether it's a coloblocking version or just an all-black look.