Christina Haack is flexing her design arm and competing against her ex-husband, Tarek El Moussa, and his wife, Heather Rae El ...

Christina Haack and Tarek El Moussa split close to 10 years ago—but the mother of three still knows how to get under her ...

Tarek El Moussa and Christina Haack compete to see who has the better flip in the new HGTV series 'The Flip Off.' ...