Saint West Can't Stop Giggling in Mom Kim Kardashian's Latest Snapchat -- See the Cute Video!

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Saint West has a case of the giggles!

The 8-month-old son of Kim Kardashian and Kanye West made a rare appearance on his mom's Snapchat on Saturday, and it may be his most adorable moment yet.

WATCH: Kim Kardashian Shares New, Super Adorable Photo of Baby Saint

In the video, baby Saint can be seen lying on a silky white blanket, looking cute and comfy in a white zip-up onesie. As Kim tickles him with a stuffed animal toy, Saint cracks a smile before laughing uncontrollably.

Cutest. Snap. Ever!

Earlier this week, the 35-year-old reality star was a guest at the #BlogHer16 exposition in Los Angeles, where she addressed what it's like raising two kids in an "abnormal" time. Along with Saint, Kim and Kanye are also parents to 3-year-old daughter, North.

"In this world, it's like if you didn't post it, it doesn't exist," Kim dished. "People literally thought Saint didn't exist. They thought I had a whole fake baby because I wasn't posting about [him]. It was ridiculous."

While Saint's sister has gotten a ton of air time on mom's Snapchat -- playing with filters and saying, "No pictures!" -- the newborn has just recently started making appearances on the popular app.

WATCH: Kim Kardashian Melts Hearts With Adorable Video of Saint West Giggling

Last month, Kim shared a video of Saint sitting in a stroller, rocking a dapper ensemble (that we're sure was Kanye-approved!), completed with a bib and an adorable smile.
Relive that precious moment in the video below.