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."

The former couple are facing off in a house renovation challenge in the new HGTV series The Flip Off. So far, Christina has been struggling to beat Tarek and his new wife Heather in the room-by-room challenge. So, in the show’s Feb. 18 episode, she turned to a judge she suspected would give her an edge: her other ex, Ant Anstead.

HGTV's The Flip Off star Christina Haack celebrates her divorce from Joshua Hall with a $342K Ferrari, showing she's moving on in style.

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

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.

During a new episode of ‘The Flip Off,’ the British TV host reflected on the years of bad blood between him and the HGTV star following their 2020 split