When the granddaughter of a former President (George H.W. Bush) marries the son of a Fashion Giant (Ralph Lauren), you expect a lavish high society event. And certainly their 200-person September event had a pretty impressive guest list. And the wedding dress, designed by the bride’s new father in law, was no off the rack cookie cutter creation (100 craftspeople spent more than 3,000 hours hand-embroidering the tulle with ivory silk and metallic thread and Swarovski crystals, for the record). But many details of the union were surprisingly down-home, including the bride’s cowboy boots and the barn reception.