Sky-blue, washed, and dark: three shades of denim to see you through every season. A black pair is compulsory, white for a brighter touch. And don't forget navy-blue jeans, too, a good alternative to untreated denim. White jeans aren’t just for summer - for winter wear w navy sweater and ballet flats. They're also great at night w a silver sequined jacket. Celeb Style: Used denim + tuxedo jacket + patent brogues (wing tips) + printed neck scarf.