Kim Kardashian and Kanye West's Son Saint Turns 4: Adorable Pictures of the Lovable Birthday Boy

Kim Kardashian and Kanye West's first son, Saint, just celebrated his fourth birthday, and we couldn't help going down memory lane at some of the youngster's most adorable documented moments.

Any fan of the Kardashians knows that Saint lives up to his name and has the best temperament ever. Since his birth in 2015, the little guy has grown up in the spotlight, giving us one sweet moment after another.

Kim, 39, gave birth to Saint on December 5, 2015. He is the last child the reality star carried herself due to health complications, but now has two siblings born via surrogate.

"When I say to him my sweet sweet Sainty, he says back to me my sweet sweet sweet sweet Momma, the best momma in the world"

Baby sister Chicago was born in January 2018 while little Psalm, Saint's brother, joined the family in May of this year. The latest four-year-old has been nothing but a darling elder sibling.

Kim loves to capture photos, and videos of Saint and her millions of fans love to see them. In October, the beauty entrepreneur shared a shot of Saint catching some sleep while snuggled in mommy’s arms.

"Forever my snuggle bug," the "Keeping up with the Kardashians" star captioned.

The mother-son duo also takes time to be goofy with each other, like in August, when they wore hilarious matching faces for Instagram followers. A month later, Saint was caught on camera chanting, "I love you, mommy!"

Saint's love for his siblings is also far beyond commendable. While Kim has revealed many times that her first child, six-year-old North, was not the most accepting big sister, the story is different with Saint.

On more than one occasion, he's been captured hanging out or looking out for Chicago, and since Psalm was born, Saint has requested that Kim capture every moment of the two.

In July, the "KKW Beauty" boss shared a photo of Saint and Psalm sleeping side-by-side but revealed in the caption that her older son staged the image.

Kim disclosed:

"Saint said he's gonna pretend to sleep with his brother. He always wants a pic to capture every moment. You have no idea how sweet my boys are!"

The same month, Saint posed for an I-woke-up-like-this pic with his baby brother, rocking his pajamas and wild curls while Psalm looked on in a white outfit.

Per Us Weekly, Saint appears to be a favorite in the Kardashian clan as well. In a November 2019 photo, he was spotted spending some time with his supermodel aunt Kendall Jenner, and according to the latter's caption, it appeared her nephew ignited some baby fever.

Even in her Instagram post, celebrating Saint's fourth birthday, Kim reminded us why Saint is a sweetheart to many:

"When I say to him my sweet sweet Sainty, he says back to me my sweet sweet sweet sweet Momma, the best momma in the world and the only momma I ever want! HOW CAN YOU NOT MELT AT HIS SWEETNESS."

Here's to many more years of love and light for this adorable human. Happy birthday, Sainty!