Kim Kardashian has given us our first glimpse of her three-and-a-half week old son Saint West with an adorable Instagram post. Kim gave birth to Saint on December 5th and is yet to share a full photo of the newborn, as she relaxes her social media presence to concentrate on motherhood.

She said, "He's my best friend."

A photo posted by Kim Kardashian West (@kimkardashian) on

Posting an image of Saint’s hand holding his two-year-old sister North’s finger, Kim wrote, “She said, "He's my best friend.” Speaking to E! News a source recently revealed: "Kim and Kanye are tired, but are enjoying every moment they can with Saint.”

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"Kanye loves that there is a baby boy in the family now. Kanye is already thinking of melodies for baby Saint. Saint is a really happy baby. North and Kourtney's kids love seeing Saint. Kourtney and Koko are helping Kim and giving baby Saint major love.”

Saint’s grandmother Kris Jenner also recently gushed about the family’s new addition saying he's "so cute.” "He looks like North," Kris said at the THR Women in Entertainment Breakfast. "He's delicious.”

More: Kim Kardashian Shares Adorable Christmas Pics, As North West Meets Santa

While Kim has been busy taking care of little Saint, she did enjoy some low-key New Year’s Eve celebrations with her family, including sister Kourtney and Caitlyn Jenner. The group were shown wearing party hats and sipping on champagne together, while playing board games as they rang in the new year.

to 2015

A photo posted by Kim Kardashian West (@kimkardashian) on