Christina Hall shares a photo on Instagram to celebrate her cordial relationship with her ex, Tarek El Moussa, and his wife, Heather Rae El Moussa, amid her divorce from Josh Hall. In the snap, taken at Christina and Tarek's 8yearold son Brayden's soccer game, the former spouses happily stand next to each other. The HGTV wrote alongside the pic, 'Our soccer sidelines have come a long way.'