Overview: Alex and her family return from the Hamptons, only to pack and prep for a vacation in St. Barts. Meanwhile, Jill launches an epic redesign of her home; and LuAnn pens a book on etiquette---though Bethenny questions her expertise in such matters. In the dueling diva department, LuAnn and Ramona butt heads. Meanwhile, Bethenny participates in a magazine shoot.