You don't have a bright blue cardi? Well, that's a shame. See, a simple, colorful piece like this one, from Zara, is the perfect staple for keeping your shoulders warm and your style stunning. Oh, and it's only $49.90. This piece has all the utility of your trustiest everyday cardi, but in a bolt of blue, it's leagues from boring. Just see how blogger and personal shopper Marjon Carlos works it into three stunning looks.