Tarek El Moussa recalled being caught off guard when he found out his ex-wife, Christina Haack, and her second husband, Ant Anstead, were suddenly “besties” during an exclusive interview with PEOPLE a

Tarek and Heather Rae El Moussa met in 2019. Now, they're starring in two HGTV series together, including "The Flip Off" with Christina Haack.

"Josh and I always had struggles filming together, and I was worried about that going into it," Christina Haack told Yahoo Entertainment of her ex-husband.

Tarek El Moussa and Christina Haack have made their mark on the home renovation game. The formerly married couple, once synonymous with HGTV’s Flip or Flop, turned real estate drama into must-watch television across 10 seasons.

Christina Haack and Josh Hall called it quits halfway into the series premiere of their HGTV series 'The Flip Off'

The 41-year-old TV personality shared a vulnerable moment with El Moussa, revealing just how challenging her third marriage had been behind the scenes. After telling her ex, “Josh and I officially split up,” Haack gave her side of the story in why her relationship with Hall didn’t work out — and it’s crushing.

Christina Haack is dealing with another major shakeup in her personal life in the series premiere of her new HGTV show. In The Flip Off, the designer and mom of three is competing against her ex-husband Tarek El Moussa and his new wife Heather Rae El Moussa to see who can get the biggest ROI on a flip.

Christina Haack, who is starring alongside her ex-husband Tarek El Moussa and his wife Heather Rae El Moussa in “The Flip Off,” explained why she believes that her estranged husband Josh Hall's exit from the series was for the best.

On the premiere of HGTV's The Flip Off, fans were introduced to Christina Haack's new partners that replace her now-estranged husband, Josh Hall.