There's conscious uncoupling and then there's conscious collaborating. Exes and TV personalities Tarek El Moussa and Christina Haack have reunited for a new reality competition show, “The Flip Off,” on HGTV.

It’s not just their kids that keep Tarek El Moussa and Christina Haack together since the successful home-flippers ( Flip or Flop) went their separate ways and got remarried. The two are back for more real estate ventures on The Flip Off, a throwdown competition that airs Wednesdays on HGTV.

Presenting: the messiest home improvement show in HGTV history.

Christina Haack and Heather Rae El Moussa tease a “girls-only” spinoff of HGTV's The Flip Off during playful Instagram Live with Tarek El Moussa.

In the episode, which was meant to be the start of a house-flipping competition pitting Haack and Hall against Tarek and his wife, Heather Rae El Moussa, Haack called Tarek up to invite him over to her house to fill him in on her relationship troubles.

HGTV star Christina Haack 's bitter divorce from Josh Hall took center stage in the premiere episode of her new show, "The Flip Off," which saw the starlet candidly explaining what led to the breakdown of her marriage.

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.

The duo were joined by Heather’s husband and Christina’s ex, Tarek El Moussa, in a new promo for their HGTV series ‘The Flip Off’

Christina Haack and Tarek El Moussa have been bringing celebrity relationship drama to HGTV since 2013 when they were still a bickering married couple on Flip or Flop, and the drama continues today. However,