If there is indeed a fashion rulebook, it’s likely that rule #2 or #3 would reinforce the fact that accessories are key. Find the slightest glimmer of light on the horizon and try to catch any self-respecting diva without a pair of designer shades to hide her face, or any hipster sans Ray-Bans. Stock up on everything from Puma to this season’s Prada’s at this one stop shop; it’ll help you see...