Luann de Lesseps is trading golds, diamonds, caviar for… deep-fried testicles?!The alum chows down on the delicacy in ET's exclusive sneak peek at Sunday's all-new episode of . Lu and co-star Sonja Morgan hit up the annual Testicle Festival in Benton, Illinois, to mix and mingle with the locals, as they continue their six-week project of helping to refresh the town in the wake of the COVID-19 pandemic.