Selling Sunset fans eagerly await the upcoming fourth season, it appears there’s some major drama brewing as Mary Fitzgerald has revealed Christine Quinn has been BANNED from Heather Rae Young’s wedding.With Heather set to marry her fiancé Tarek El-Moussa in scenes that will air when the Netflix show returns to our screens, it seems not all of the cast have been invited to the ceremony.While most of the real estate brokers turned reality stars have remained close to Heather, Mary has teased a