Ariana Madix says Vanderpump Rules guest star Jesse Montana has been diagnosed with a brain tumor. “No one is cooler than my dear friend @thejessemontana right now he needs our good thoughts and our help,” Madix, 38, shared via Instagram on Saturday, December 2. Montana, a singer and model, has made multiple appearances on Pump Rules over the years. Madix put the word out that Montana needs help with medical bills, sharing a link to his GoFundMe page. “The short version is this: jesse has a tumo