Dua did denim: Say that alexandermcqueenssale.com five times fast. The pop star posted a photo of her rocking a long denim dress with a slit practically to the sky on Instagram this week. In fact, the modern way to wear leggings is to barely notice them at all: They should fade into the background of the rest of your outfit. That's what sets today's leggings apart from those of the 2010s. White...