We all know James Van Der Beek  as '90s heartthrob Dawson Leery , but now that he's all grown up, we can love him for a whole new reason: he's a loving father to four kids  with his wife, Kimberly Brook. Since the couple joined Instagram, they have been sharing sweet snaps of their daughters, Olivia, Annabel, and Emilia, and their son, Joshua, on both of their accounts . . . and we can't get enough! Keep reading to see some of his most adorable family moments, and then check out even more cute celebrity families on Instagram .