Christina Haack is doing just fine despite being in the midst of her third divorce. In an interview published on Wednesday, September 25, the HGTV star’s first ex-husband, Tarek El Moussa, gave an update on his former lover amid her split from Josh Hall. “Christina is doing great,” El Moussa claimed of Haack, with whom he shares kids Taylor, 14, and Brayden, 9. “She has the support of her family, she has the kids and she’s working her tail off,” the Flip or Flop alum said. As OK! previously reported, Haack has been open about her recent break up with Hall — whom she married in 2022 and shares …