Christina Haack's ex-husband Ant Anstead, who appeared as a guest judge on "The Flip Off," called out her and Tarek El Mussa for "flirting" in the show's Feb. 19 epsiode.

Christina Haack and Ant Anstead got married in 2018 and separated in 2020. On Wednesday, they reunited on HGTV's "The Flip Off."

Anstead’s tough love towards Christina as he takes his judging responsibilities on the show very seriouslyChristina Haack asks her second husband, Ant Anstead, to join The Flip Off as a guest judge in the upcoming 4th episodeOn Feb.

Christina Haack and Ant Anstead discussed their ups and downs when he appeared as a judge on HGTV's 'The Flip Off'

Ant Anstead made a decision that may spark some backlash while judging Episode 4 of The Flip Off. In a surprising move, Christina Haack chose her ex-husband as the judge for the guest bedroom/bathroom renovation.

Christina Haack and ex-husband Ant Anstead reunite to promote his cameo on 'The Flip Off,' her new HGTV competition show with her first former spouse Tarek El Moussa and his wife Heather Rae El Moussa.

Christina Haack and her second husband, Ant Anstead, reconciled on "The Flip Off" after splitting from her third husband, Josh Hall.

A lot if you’re Christina Haack as a popular staple of HGTV thanks to shows like Flip or Flop, Christina on the Coast, and the current hit The Flip Off. It wasn’t until recently that the real estate investor and television personality set the record straight after the rotation of last names and what will stick.

Christina Haack's (formerly Hall) second ex-husband appears as the episode's guest judge and causes chaos with his totally biased method for selecting the winner

While exes Ant Anstead and Christina Haack may be getting along better these days, his comments about how she interacted with another ex might be a bit much.