Christina Haack is showing Josh Hall what he’s missing! On Saturday, August 24, the mother-of-three, 41, showed off her bikini body while on vacation in Hawaii just over a month after she filed for divorce from her third husband. In the sultry snap, the HGTV star’s toned abs were on full display as she donned a Louis Vuitton black and white swimsuit. The blonde beauty posed while on her hotel balcony, which had a breathtaking ocean view. “This trip just hits different…” the newly single TV personality penned. In response to the upload, fans of Haack gushed over her amazing look. “Gorgeous as a…