At this point in the summer, we’re practically done with sundresses. We simply want to look polished with zero effort, and thankfully, Jennifer Lopez has the easiest formula. Her wide-leg pant style makes even a tank top look chic, and we found the look for only $40. Lopez turned a casual Parisian shopping trip into a full-blown style moment; she was caught wearing a white tank top, beige trousers and a matching handbag. The tank is cute, but he…