Tristan Thompson and Maralee Nichols' kid is so big now! The model gave her Instagram followers a rare glimpse of their 4-year-old son, Theo Thompson, on Tuesday. She posted several pictures from their "weekend adventures," which did not include Tristan, who seemingly has had little to do with their child ever since she gave birth to him amid his massive cheating scandal. Regardless, the mother and son looked like they had such a fun time together! Related: Khloé Kardashian Addresses Endless Tristan Reconciliation Rumors In The Classiest Way! In the photos, Maralee and Theo are seen enjoying a day at the zoo and watching the flamingos. Other snapshots showed her little guy sitting on the beach, running around, standing in a library, and drinking out of a mug in a room. Swipe to ch-ch-check out all the images (below): View this post on Instagram A post shared by Maralee Nichols (@maraleenichols) Aww!!! We can't believe Theo is already 4! It's crazy how time flies! What are your reactions, Perezcious readers? Let us know in the comments (below)! [Image via Maralee Nichols/Instagram, MEGA/WENN] The post Tristan Thompson's Son With Maralee Nichols Seen In Rare New Photos -- He's Getting So Big! appeared first on Perez Hilton.