In my book, the current definition of irresistible features a photo of this gorgeous new Stella McCartney purse. The Patent Effect Messenger Bag is sublimely perfect, from its clean, sleek, insanely shiny exterior to its sharp silver hardware. You just can’t go wrong with it - it’s both sexy and practical, and the little details (like the detachable coin purse, plethora of pockets, Stella charm and luxe taupe lining, to name a few) add some extra personality to an ...