Christina Haack's ex-husband Ant Anstead, who appeared as a guest judge on "The Flip Off," called out her and Tarek El Mussa ...

In a PEOPLE exclusive clip from tonight's new episode of 'The Flip Off,' formerly married co-stars Christina Haack and Tarek ...

The updates come after Christina invited Ant onto the former couple's HGTV competition series, The Flip Off, as a guest judge.

Tarek El Moussa joked to PEOPLE that Christina Haack didn't bicker with him on set of 'The Flip Off' because she was "too ...

Tarek El Moussa recalled being caught off guard when he found out his ex-wife, Christina Haack, and her second husband, Ant ...

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

The former couple are facing off in a house renovation challenge in the new HGTV series The Flip Off. So far, Christina has ...

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

Christina Haack and Tarek El Moussa split close to 10 years ago—but the mother of three still knows how to get under her ...

One week after going public with her new relationship, Christina Haack is introducing him to her ex-husband Tarek El Moussa ...

Christina Haack 's estranged spouse, Josh Hall, has made an uncomfortable return to her hit HGTV show " The Flip Off ," just ...

Christina Haack and her new love Christopher Larocca were joined by ex-husband Tarek El Moussa and his wife Heather Rae El Moussa during a recent night out.