Christina Haack laughed off a "sister wives" comment about her friendship with her husband Tarek El Moussa's new wife Heather Rae El Moussa.

HGTV star Christina Haack says fans have been calling out her close relationship with her ex and his new wife, with whom she currently co-stars on 'The Flip Off' ...

And HGTV’s The Flip Off, starring fan favorite Christina Haack along with Tarek El Moussa and his wife Heather Rae El Moussa, certainly delivers that. Especially on its latest episode. The former Flip ...

We have a very good relationship. She even told me not to marry him and to marry the dog. For real,” Hall told a pal of Dominique El Moussa on “The Flip Off.” ...

There’s conscious uncoupling and then there’s conscious collaborating. Exes and TV personalities Tarek El Moussa and ...