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’

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.

Christina Haack, Tarek El Moussa and Heather Rae El Moussa, the family trio behind HGTV's 'The Flip Off,' may think they're cool, but their children think the complete opposite.

Christina Haack (formerly Christina Hall) and Heather Rae El Moussa (née Young) have a lot in common besides being beautiful blondes. Not only do they share the same passion for home renovation, but they also share a similar taste in men as Heather is married to Christina's first ex-husband,

Christina Haack and Tarek El Moussa's children appeared on "Flip or Flop" throughout their childhoods, returning to HGTV screens on "The Flip Off."

The three HGTV stars answered fan questions during an Instagram Live Q&A The Flip Off crew revealed that they have a group chat! During an Instagram Live on Wednesday, Jan. 29, Christina Haack sat down with her ex-husband,

Christina Haack (formerly Christina Hall) shared a shocking truth about her past relationship with ex-husband Tarek El Moussa, and revealed that his mother, Dominique El Moussa, told the HGTV star that she should reconsider marrying her son.