Captioning a carousel of photos, Khloe gushed: "Happy birthday, my sweet son ... "You both remind me so much of uncle [Rob] and I. It's fitting since I think you look soooo much like your uncle.

Happy Easter," she wrote in her caption, and fans quickly took to the comments section under the post to gush over the snaps, and of course point out Tatum's resemblance to his uncle. "Baby Rob is ...