Kim's latest Instagram post shows Saint hugging his little sister.
Seriously, he is the cutest and most loving celebrity toddler we've seen!
Back in March, she shared this equally adorable photo of Saint giving his baby sister a kiss.
"He loves her so much," Kim captioned the image.
Saint is also very close to big sister, North.
Recently, Kim shared this photo of the two taking a bath together and they are so very cute!
Kim's only boy is already showing that he will be protective of his sisters.
Here's Kim and Kanye's beautiful family of five!