Selling Sunset’s Mary Fitzgerald praised her costar Chrishell Stause for how she has handled her separation from Justin Hartley.“Chrishell was blindsided and she was put in a very difficult position and she chose to share it with everybody because it is a reality show and it, you know, follows our lives,” the Oppenheim Group realtor, 39, exclusively told Us Weekly on Monday, August 24. “So I thought she was extremely strong and she was vulnerable to everything.