Blue lipstick may not be our daytime shade of choice, but it’s not entirely out of the question for an after-dark statement look—especially since Rihanna just made it look ridiculously cool at her New York Fashion Week party Thursday night. Paired with groomed brows, a bit of bronzy shadow for dimension, and a flicked-out cat eye, the cerulean metallic lip, well, worked. That said, a good blue lipstick formula is hard to come by, but we suspect this one may have come courtesy of RiRi’s BFF Leandra, who launched a color cosmetics collection called Free Spirits a few months ago. You might recall ...