The HGTV star fired back at her estranged husband after he claimed a tense interaction between them on the upcoming series wasn't authentic

HGTV recently released a sneak peek for the upcoming series which showed the now-exes having a tense standoff in the car

The Tennessee-based real estate professional filed for divorce from the HGTV star in July 2024 after nearly three years of marriage

"Not everyone makes the cut," El Moussa commented on Josh's seemingly brief time on their upcoming HGTV competition series, 'The Flip Off'

In new footage from the premiere of 'The Flip Off,' The HGTV star's estranged husband warns her not to forget what her new last name is during a tense car ride

In new footage from the premiere of 'The Flip Off,' The HGTV star's then-husband warns her not to forget what her new last name is during a tense car ride

The 'Flip Off' star marked the holiday with a series of posts on social media

Tarek and Christina were married from 2009 to 2018, and share kids Taylor, 14, and Brayden, 9

Josh Hall was originally set to be Christina Haack's partner on the upcoming HGTV competition series 'The Flip Off' before they split in July

The HGTV star was originally set to compete beside her estranged husband, Josh Hall, before he filed for divorce in July

“We’re here for anything she needs, honestly,” Tarek said of his relationship with his ex-wife

The network had previously not addressed if Hall would continue to be a part of the series after he filed for divorce from the 'Christina on the Coast' star in July

The exes had a tearful heart to heart as Christina's marriage to Josh was crumbling in PEOPLE's exclusive first look at their new HGTV show, 'The Flip Off'

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The HGTV star paired her designer bustier with a pair of Yves Saint Laurent black leather boots

The 'Christina on the Coast' star and her second husband are keeping things cordial, after recently re-following each other on Instagram

“Putting in the work!” the HGTV star captioned the snap on her Instagram Stories with contractor Michael Lange

The HGTV star shares her 9-year-old son and daughter Taylor, 14, with ex Tarek El Moussa

Haack previously shared an update on the tattoo removal in August, a month after Hall filed for divorce citing 'irreconcilable differences'

The ‘Christina on the Coast’ star revealed a glimpse of her 11-foot evergreen — and her helper's feet sticking out from the bottom — on Instagram

The ‘Christina on the Coast’ star revealed a glimpse of her 11-foot evergreen — and her helper's feet sticking out from the bottom — on Instagram