Tarek El Moussa hints at tension with Christina Haack ahead of HGTV season

Tarek El Moussa and Christina Haack are divorced and share two children.

They now work together on an HGTV show, and Tarek says he gets along with Haack's boyfriend, Christopher Larocca.

His comments hinted that there may be some tension between him and Haack.

Their working relationship matters because they have to film the show together.