Kim Kardashian West's youngest son has brought "calmness and evenness" into her life

Kim - who also has North, seven, Saint, five, and Chicago, three, with Kanye - shared a new photo of Psalm on Instagram and wrote: "My Taurus baby Psalm. He turns 2 today on Mother’s Day.

“Such a special day to share together. He’s my child that looks most Armenian to me like my grandpa and reminds me so much of my dad. He is the sweetest baby ever!!!

“I can’t even describe his smile and sweetness that everyone just feels when they are with him. Psalm- you have brought such calmness and evenness into all of our lives! All of your cousins and siblings love you so much! You really are the joy of our crew! Mommy loves you SOOOOOO much!!!(sic)"

Psalm's grandmother, Kris Jenner, also payed tribute to the tot's "sweet personality" and "tender spirit".

She shared a series of family photos and wrote on Instagram: "Happy Birthday to my youngest grandchild!!! My beautiful, precious Psalm who is the light of our lives!!! Thank you little Psalmy for bringing such magical joy into our lives with your amazing smile and laughter and your sweet personality! Your tender spirit brightens every day!!! You bring such happiness to us ... and you just happen to be the best scooter driver I have ever seen!!! Best in the land!!!!

"Thank you for all of the love you give to me and what a blessing you are in all of our lives !!! Being your Grandmother is my greatest gift and I love you more than you will ever know!!! (sic)"