Can you really have too much of a good thing? Most Beauties favor the shades and tints of one particular hue, but using the color family all over your face? That’s an art form. When it comes to bright colors, there is a fine line between a signature shade and mono-pigment overload. Hollywood makeup guru Scott Barnes (clients include Jennifer Lopez, Kim Kardashian, and Christina Aguilera!) will help us discover a few rules of monochromatic makeup.