More: Can we stop calling 'gender neutral' a parenting trend yet?
On her website, Kardashian posted a picture of Saint sleeping with his arms up, as well as a sentimental message as to why she chose today to finally share his photo. "Today is my dad's birthday," she wrote. "I know there's nothing more in the world he would have wanted than to meet his grandchildren. So I wanted to share this pic of Saint with you all."
More: Gym tells mom she's not welcome if she wants to breastfeed
Yeezus, he's cute! There's just so much sweetness there — the sentiment, the pose and, of course, little Saint himself. He definitely appears to look a lot like big sister North West, who looks an awful lot like Daddy.
Now we can't wait to see a whole family shot!
More: These baby names for boys literally mean 'gift'
Before you go, check out our slideshow below: