Andy Roddick's wife Brooklyn Decker goes uber casual to blend in with the SW19 set

As last year's cover girl for Sports Illustrated's infamous swimsuit issue Brooklyn Decker was launched further into the limelight adopting a glamorous image to match her newfound fame.

But of course, one cannot maintain such an image all day every day.

So the model's ensemble as she spent some time shopping with her husband Andy Roddick was perfectly understandable.

Brooklyn, 24, was barely