Color us grey! MAC cosmetics is giving the post-Turkey Day shopping craze known as Black Friday a lighter twist with the release of their Grey Friday nail polish and lipstick. The polish goes on pewter and dries to a matte suede finish, while the lipstick adds an unexpectedly bold finish that is perfect for an evening out. The limited-edition set is available November 23 online or at the MAC Times Square location. To learn more, visit InStyle.