Jeans have pounced lately on their once formidable rival in a woman’s closet— athleisure and leggings. And dare I say, “that’s no stretch!” Long a mainstay in the wardrobe of any woman or man, jean...

Even the once-conservative accounting and finance fields are easing up their rules. Jeans are becoming more mainstream in offices today, for example, and not just on casual Friday.

How can you achieve a classy, slim look with just one accessory in the New Year? It’s about the belt! And with a few other tricks, you’ll be rocking a great look in 2019.