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Baby's first ... waterproof selfie? Mom showed Saint the ropes during a family visit to Costa Rica in February 2017.
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On that same trip, she gave her little guy a lift, much to his delight.
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Just pondering the meaning of life, how about you?
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EYES ON YOU
One day after confirming she and husband Kanye West are expecting their third child, Kim posted this sweet photo of Saint to Instagram.
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HO HO NO
We know the feeling, Saint! The then-1-year-old's first meeting with Santa did not go so well.
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This meet and greet with a pony, however, seemed to be slightly better.
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ALL IN THE FAMILY
Kim shared a sweet family snap following Saint's first birthday, with Mom and daughter North in matching outfits and father and son following suit.
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How could you ever say no to this face?!
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CUDDLES WITH MOM
This pic of Saint, which pal Jonathan Cheban shared on Kim Kardashian West's app on his birthday, showed him cuddling with his mom. "I can't believe today is Saint’s first birthday!" Cheban wrote. "One thing people may not know about me is that I'm obsessed with babies, LOL. In honor of his birthday, I convinced Kim to let me share some never-before-seen pics! Happy birthday, Saint!"
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In February 2016, Kardashian West shared the very first photo of her baby son on her app and website. For the sweet snap, the proud mom wrote, "Today is my dad's birthday. 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."
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THREE MONTHS IN
"You're the sun in my morning babe," Kardashian West captioned a precious photo of her boy pensively gazing off into the distance.
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GROWING UP SO FAST
At just 6 months, Saint looked like the spitting image of his mom and dad. On her website, Kardashian West opened up about the challenges of raising her second child. "Of course, I expected it to be different but, wow, it really is so hard!" she wrote in a February blog post. "When I had North, all I did was feed and sleep. This time around, I get no sleep."
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In a Snapchat video from last summer, Kardashian West filmed her baby boy in his stroller as he giggled uncontrollably.
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It should come as no surprise that the tot is already a master at social media. "Look at my little bee!” Kardashian West said in the background of this clip of her son trying out the app's bee filter.