Kim Kardashian/Instagram

Saint West is the middle child in the Kardashian-West family, but his cuteness is totally saving him from being overlooked. Sainty is Kim Kardashian and Kanye West's second child and their only boy, and the little fella was the perfect addition to the clan.

The couple welcomed Saint into the world on December 5, 2015, and Kim announced the pregnancy during a promo video for Keeping up with the Kardashians in May 2015. In the clip, Kim told sister Khloé Kardashian the good news, saying: "I just got the blood test back, and I am pregnant!"

More from MamásLatinas: 27 Pics that prove Kim Kardashian's daughter North West is a diva in training

Kim had been open about her desire to have another baby, despite the many complications she had during her first pregnancy. But the pair never gave up hope and kept trying until it happened. When Saint was born he joined big sister, North West. The couple then added a third baby into their family with the arrival of daughter Chicago via surrogate in January 2018.

Regardless of how you feel about their parents, there's no denying that the Kardashian-West kids are absolutely adorable. The three babies are a perfect mix of their famous mom and dad, having dad Kanye's full cheeks and their mom's big brown eyes. Since he was born, Kim has been sharing the most precious photos and videos of baby Saint, and he gets cuter and cuter as he gets older.

In his most recent videos, hearing him talk in his little voice might just give you some baby fever--so be aware! Click through to see some of Saint West's most adorable moments so far, and there are already so many to look back on. 

We can't forget when Saint made his grand Instagram debut. 1

Kim introduced her baby boy to the world with this sweet picture in February 2016, two months after he was born. She captioned it: "SAINT WEST."

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Saint and North look so cute together! 2

While some fans didn't like that Kim posted this pic of North and Saint taking a bath together, we see nothing wrong with it! 

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This pic of Saint kissing Chicago might be the cutest of them all. 3

"He loves her so much," Kim captioned it.

Look at him holding a baby duck! 4

We can't handle the cuteness.

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He's got a mind of his own. 5

He's got a mind of his own.

Kim Kardashian/Snapchat

Kim shared this video of Saint going wild on their private jet. How many of us can say that about our childhoods?

Kim captioned this pic "My favorite boy." 6

His little man bun is so freaking cute.

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Nothing but love for Chi. 7

Saint is honestly big brother goals.

Look at him having some summer fun with a girl friend. 8

Have you seen anything this adorable, ever?

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He loves his little sister. 9

He loves his little sister.

Kim Kardashian/Snapchat

Saint has been showing his little sister nothing but love since the second she was born.

Trying to fill his daddy's Gucci shoes. 10

Saint was caught trying to slip on his dad's Gucci slides.

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Kim posed for a pic holding her two babies. 11

North was over it, but Saint was all about it.

Kim began sharing more pictures of Saint as he got older. 12

Look at those eyes!

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He's the sun in Kim's mornings. 13

Kimye really do make the most precious kids!

Saint had things to say during an outing with his nanny. 14

Saint had things to say during an outing with his nanny.

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Just look at that finger!

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Sainty loves 'The Incredibles.' 15

Sainty loves 'The Incredibles.'

Kim Kardashian/Snapchat

Saint showered his baby sis with kisses while calling her Jack Jack after the baby in the Disney movie. He, of course, is Dash.

Someone was really loving that candy! 16

No wonder he's so sweet!

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Kisses from mom. 17

He's the sweetest thing.

Saint is Baby Ye. 18

He's really his dad's mini-me.

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Saint had places to be! 19

He looked so focused on his little motorcycle.

He's got style like his daddy. 20

That Chicago Bulls T-shirt has Kanye written all over it.

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This video of Saint at the zoo will melt your heart. 21

Hearing his little voice just makes us so happy!

He looks so happy to be around his big sis. 22

Look at his baby teeth! There have been rumors that Northie isn't too fond of her little brother, but we hope those rumors aren't true. 

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His combover is precious. 23

His combover is precious.

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He looked like a little man during this outing with his mom and sis in 2017.

He looks up to Kanye. 24

Kim shared this on Father's Day 2017 and our hearts are just so full.

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Kim and her son looked beautiful in this selfie. 25

There's nothing like the bond between a mother and her son.

He was delighted after getting a hug from Mickey Mouse. 26

We honestly couldn't handle how excited he was during this trip to Disneyland.

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He had his eyes glued on his mom. 27

While his sisters were focused on other things, Saint smiled and looked right at Kim in this adorable pic. Kim captioned it, "Welcome to the good life..." The good life, indeed.

Staying cozy with the fam. 28

Our boy Saint was truly bundled up in this family pic, which was taken in Wyoming. 

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Saint wears his casual trendy attire well. 29

Saint wears his casual trendy attire well.

Kim Kardashian/Instagram

Sainty hit the streets with his dog, Sushi, wearing sneakers designed by his dad! What a cool kid.

This boy is always camera-ready. 30

While his cool sis gave the camera a peace sign in this family photo, Saint gave us a tiny little smile showing us his baby teeth.

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He loves his momma. 31

He gave his mom a big smooch in this Snapchat video.

He was not feeling this filter. 32

He was not feeling this filter.

Kim Kardashian/Snapchat

Saint was not having it in this video, but seeing his long, curly hair free from braids is giving us major hair envy.

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We can't believe how long his hair has gotten. 33

Look how long his braids are in this pic Kim shared of them from Easter 2018.

He's having a blast! 34

He's having a blast!

Khloe Kardashian/Snapchat

Aunt Khloé shared this video of Saint at a baby class and he took a break from all the fun to pose for Koko. What an angel.

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He's just so full of life. 35

He's just so full of life.

Kim Kardashian/Snapchat

He was having a blast singing and talking about his socks. The simple life.

Saint already has his pose down! 36

He's just so cute and ready to take on the modeling world.

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Sainty dressed like his daddy for Halloween. 37

He wore his dad's costume from the "I Love It" music video and it was hilarious. Have you ever seen a more precious kid in your life?!

His curls in this pic are the stuff of dreams. 38

Kim posted this in November 2018 and we honestly cannot handle that smile and that hair. He's the cutest.

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Sainty turned three and his momma wrote the sweetest post for him. 39

"Happy Birthday to my favorite boy my Sainty Joon. I must have done something really special to deserve having you as my son," Kim captioned a pic of her little boy on December 5, 2018. "I love you to the galaxy and back."