Twinning
Khloe Kardashian carries her son at Kourtney Kardashian's baby shower in September 2023.
Cousin Cuteness
Kourtney's daughter Penelope Disick hangs out with Tatum.
It Takes a Village
Khloe's BFFs Khadijah and Malika Haqq snap a sweet pic with Tatum.
St. Patrick's Day Celebration
Kris Jenner, Khloe and baby Tatum celebrate the holiday.
Rob Kardashian's Twin?
Kris pays tribute to her 12th grandchild on his first birthday, writing on Instagram that she is "honestly in awe of how you look exactly like uncle Rob. It's wild and I love it!!!!"
She continued, "I love you my amazing Tatum!!! I love you my sweet boy."
Lovey & Grandson
Kris, who prefers her grandkids call her "lovey" as opposed to grandma, cuddles with Tatum.
Fall in Love
Tatum looked ready for fall with his apple and moss green outfit.
Father & Son
Tristan Thompson marked his son's birthday in July 2023, writing, "Tatum!! Happy birthday my son! You are a reminder of what life represents to me. You have taught me every loss comes a lesson and you are my gift. You are my reminder of all of God's messages. You are the reason that I began my story."
He continued, "The mistakes along the way are lessons not failures. There is no expiration date to reinventing yourself. Tatum your sweet soul reminds me of God's grace. You are a future king my son and I am so blessed to be your DaDa!"
A Sweet Smile
Tatum flashed a perfect smile at the camera in this photo shared on his first birthday.
Sister Time
Big sister True proudly showed off her little brother in the kitchen.
Backyard Adventures
The pair snapped an adorable selfie while enjoying some time outside.
Hanging With Auntie Kim
Kim shared a glimpse with Tatum for his first birthday. "OMGGGG you are such a smoosh, the happiest baby boy of all time," she wrote July 28. "I can't even tell you how loved you are and how special you are!"
Play Time
Kim also joked in her caption, "You are Rob's twin! LOL Your auntie loves you SO MUCH."
Swim Session
Tatum looked so grown up while rocking blue swim shorts and a straw hat.
Bath Baby
On Tatum's first birthday, Khloe shared a throwback photo of her youngest wrapped in a towel.
This Photo Is Fire
Khloe's baby boy was dressed to impress in a firefighter hat.
Big Sister Bonding Time
Tatum wanted to investigate the foam during his big sister's bath time.
Like Father, Like Son
Tristan went to give Tatum a kiss in the series of images Khloe posted in her birthday tribute to the NBA star in March.
Mommy and T
In a May 19 Instagram post, Khloe shared pics holding Tatum, who's facing away from the camera donning a grey t-shirt and a head of thick dark hair.
Balcony Buddies
Khloe posted photos of True and Tatum bonding on a balcony, with True holding her baby brother as he grabbed onto the railing im one snap.
Summer Boy
Tatum enjoyed some fresh watermelon while celebrating his first Fourth of July.
Truckin' Cute
Khloe shared a selfie she snapped with Tatum and True at their cousin Psalm West's fire truck-themed fourth birthday party on May 7.
In the photo, the tot wears a red, plastic firefighter's cap and sits on his mom's lap.
Look Who's Crawling
Ahead of Tatum's first birthday, Khloe celebrated a major milestone when she shared a clip of her son crawling on her Instagram Story.
First Look
Khloe Kardashian shared a photo of Tatum Thompson's face for the first time while wishing "best father" Tristan Thompson a happy birthday in March.
The picture showed Tristan with his arms around his and Khloe's daughter True and Tristan's son Prince, who he shares with ex Jordan Craig.