Christina Haack’s estranged husband, Josh Hall, is trying to stay positive as their divorce gets messier by the day. On Wednesday, July 31, Hall uploaded an image of a sculpture that read “HOPE” alongside emojis of praying hands and a blue heart. The two each filed for divorce earlier in the month, but things have been anything but simple since, as Haack accused her former spouse of stealing money from her. The mother-of-three — who shares her youngest tot with ex-husband Ant Anstead and her two other kids with ex-husband Tarek El Moussa — touched on the drama via her Instagram Story, writing,…