Rihanna posted some pictures for Halloween wearing a Christian Dior Oblique Shirt ($1,350.00), Rick Owens Zipped Pocket Vest ($1,365.00), Givenchy Buckled Relaxed-fit Straight Wool Shorts ($790.00), Louis Vuitton Classic Sunglasses (Not available online) and Rick Owens DRKSHDW Knee-High Elephant Boots ($800.00).