Ariana Grande Defends Pete Davidson: <br />'This Man Has an Autoimmune Disease' The blog Barstool Sports recently made fun of Pete Davidson. Ariana Grande was quick <br />to come to the defense of her fiancé. Many fans supported <br />Grande's response. Ariana Grande Fan, <br />via Twitter Davidson talked about his <br />Crohn's disease back in 2016. Pete Davidson, <br />via 'People' According to 'Health,' Crohn's disease <br />affects an estimated 780,000 people in the U.S.
