The Real Housewives of Beverly Hills reunion will be four parts, and we’ve learned what kind of drama viewers can expect from the woman at the center of season 11, Erika Jayne, 52 — including a screaming match with the show’s host, Andy Cohen, 52. “Most of the fighting was actually done [between] Andy and Erika,” a source close to production told HollywoodLife EXCLUSIVELY. “And it is what a lot of the reunion will be about.”