Photo: FameFlynet Pictures

Photo: FameFlynet Pictures

If denim has been growing in popularity for a number of seasons, it is now in full explosion mode – 70s style. Case in point, Bella Hadid’s so very chic jewel-strapped Dior denim midi dress worn with simple sandals and a fur shrug. Take note of the A-line silhouette. That is what makes Hadid’s look so notable; never mind that it is below 40 in New York City. It’s fashion…