Julianne Moore Daniele Venturelli/WireImage Wedding bells are ringing for Julianne Moore’s son, Caleb Moore Freundlich! Moore, who shares Cal, 26, with her movie director husband, Bart Freundlich, celebrated her son’s recent engagement to his longtime girlfriend, Kibriyaá Morgan, via Instagram on Wednesday, August 7. “Congratulations Cal and Ki ❤️❤️❤️ We love you,” the Oscar winner,…