Kim Kardashian pays heartwarming tribute to son Saint on his 3rd birthday in sweet post

Saint West is 3! His reality star/business mogul mom took to Instagram a few hours ago to celebrate her only son with a heartwarming message.

Kim Kardashian shared a picture of Saint lounging in a black t-shirt, shorts, and matching Adidas slides. The second child of Kim and her husband, rapper Kanye West, sported his signature cornrows and looked as adorable as ever.

Kim’s message to her son was even more heart-tugging than the photo:

“Happy birthday to my favorite boy, my Sainty Joon. I must have done something really special to deserve having you as my son. I love you to the galaxy and back.”

Saint’s grandmother, Kris Jenner, also sent a shout-out to the birthday boy, posting a three-photo carousel alongside the sweet words: “Happy Birthday to our adorable Saint! You bring so much love and joy into our lives! You are such a special, yummy part of my heart! We all love you so much! #HappyBirthdaySaint.”

Saint and his cousin, Kourtney Kardashian’s son Reign -- who turns four on December 14 -- had a joint party on Saturday. The Tarzan-themed affair had family and friends in attendance, including Saint’s siblings, five-year-old North, and 10-month-old Chicago.

The party held at Kim’s home, and as seen on her social media feeds, included real green vegetation, tree-lined hallways, and a dessert table with countless varieties of sweet snacks.

Saint’s birthday may hold special significance who believes the boy is her twin. In September, when a Twitter user tweeted: “I feel like Saint is full on Kim including personality... North is ye,” the “KKW Beauty” mogul replied:

“Facts.”

The mom-of-three also regularly shows off Saint’s sweet nature, especially as the toddler seems to have a soft spot for babies.

Three months ago, Saint was pictured holding his baby sister on his shoulders while Kim supported the little one from the back, and a month before that, the “KUWTK” star shared a photo of the two bonding on the couch. The caption spoke volumes:

“These two are inseparable.”

Kim herself has a lot of sweet mother-son moments with Saint, one of which was recorded in August while they were on vacation. Saint melted hearts in an oversized ship captain’s hat and impressed fans when he recognized one of his daddy’s songs.

Happy birthday, Saint!