Ben Affleck and his son, Samuel, 11, were photographed holding hands while taking a morning walk together on Friday, January 19. The Batman actor, 51, was spotted wearing a fleece-lined, red coat, a t-shirt and a pair of light-wash jeans. Samuel sported a navy blue sweatshirt and khaki pants as he pulled a rolling backpack beside him. Affleck, who is often seen walking with his son before school, also shares daughters Seraphina, 15, and Violet, 18 with ex-wife Jennifer Garner. The pair have been amicably co-parenting their three kiddos since their 2018 divorce following 14 years of marriage. I…