Kyle Richards and Lisa Rinna are stirring up drama ahead of tonight's episode. "The Real Housewives of Beverly Hills" stars are giving fans a taste of what to expect by leaving Denise Richards out of an Instagram photo before the Bravo show airs. Both Kyle and Lisa shared the snap on their individual social media profiles showing seven cast members smiling sweetly together. Everyone is in the picture, except Denise Richards. Both have had their fair share of drama with the actress over the recent weeks.