Reality star Heather Rae El Moussa makes waves with her beauty brand in a poolside collaboration with her husband's ex-wife, Christina Haack, as the two showcase their fit figures.

Christina Haack, Heather and Tarek El Moussa had their shows 'Christina on the Coast' and 'The Flipping El Moussas' canceled. Here's everything to know about what's happening with Christina Haack, Heather and Tarek El Moussa's HGTV shows.

For all the heightened drama that’s part and parcel of reality TV, one of the rarely exhibited pockets of peace revolves around Tarek El Moussa and Christina Haack, who somehow turned being friendly exes and successful co-parents into a career move.