Christina Haack shared a story about her mother-in-law on The Flip Off, her and ex-husband Tarek El Moussa's new HGTV series.

It was a wild blast to the past for the former Flip or Flop spouses.

Christina Haack invited ex-husband Tarek El Moussa's mother to be a guest judge on their HGTV series 'The Flip Off' ...

El Moussa, 43, who shares Brayden with his ex-wife and "The Flip Off" co-star Christina Haack, 41, made an intriguing offer ...

HGTV star Christina Haack 's bitter divorce from Josh Hall took center stage in the premiere episode of her new show, "The ...

Christina Haack (formerly Christina Hall) shared a shocking truth about her past relationship with ex-husband Tarek El Moussa ...

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

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.” ...

It’s not just their kids that keep Tarek El Moussa and Christina Haack together since the successful home-flippers ( Flip or ...

Christina Haack and Tarek El Moussa's children appeared on "Flip or Flop" throughout their childhoods, returning to HGTV ...

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' ...