Now that Sienna Miller is a mother of a two-year-old the “Foxcatcher” actress who once made tabloid headlines has gone completely New Age yummy mummy (sort of). Cass Bird directs the ever-uninhibited Sienna Miller in this ironic send-up. Tags:Cass BirdGuerrillablogMediaonlineRaul&RigelSienna MillerUnited KingdomVogue