Chain-strap bags are ladylike and lovely, of course. But, should you tire of the shoulder-strap, slinging the bag messenger style as Diane Kruger does tones down the posh for a more casual, street-ready style. It's a short leash look that makes a fashionable juxtaposition between your chic little accessories and your 'laxed style. It really brings your purse front and center. And then the only other thing you need to channel the trend is to change up your purse-posture.