She was Christina El Moussa, Christina Anstead, and Christina Hall, but expect to see Christina Haack keep her maiden name for the foreseeable future. In the season finale of HGTV’s The Flip Off, Haack swore off any more marriages. Haack was supposed to team up with now-estranged husband Josh Hall and compete against her ex-husband Tarek El Moussa and his new wife, Heather Rae El Moussa, on the renovation competition series. Shortly after production commenced, however, Haack and Hall separated, and the couple is now divorcing. And after the El Moussas won The Flip Off’s first season, Haack told guest judge Jeff Lewis she wouldn’t have purchased the house she flipped if she did it all over again. “At the time when I bought this one, I was with my third ex-husband. He found this one, and he was supposed to do a lot of the work himself,...