Nail philes, take note: when considering the next polish trend, just think WWCD (what would Chanel do). In terms of forecasting fingernail shades, Chanel is always ahead of the game. Churning out everything from cult classics (Vamp) to seasonal surprises (mint-colored Jade), the fashion powerhouse is at it again, declaring a new must-hue for digits with hotly anticipated Particuliere...