Kim Kardashian Shares Sweet Note and Candid Pics of Daughter on Her 5th Birthday

Kardashian's third child, Chicago, turned five years old on Jan. 15.

Kim Kardashian has a huge reason to celebrate on Jan. 15, as it's her daughter Chicago's fifth birthday.

Chicago is the third of Kardashian and Kanye West's four children, along with North, 9, Saint, 7, and Psalm, 3.

On her big day, Kardashian honored her daughter by sharing a super sweet note on Instagram and a bunch of cute candid photos taken at home.

Kardashian wrote to Chicago, "My twin. Happy 5th Birthday. I really can’t believe you’re 5! I’m so so proud to be your mom, it’s the best feeling in the entire world."

She continued, sharing a bit about the little one's personality, saying, "You are the cuddliest sweetest silliest most independent caring girl in the whole world and I just love you so much!"

In the photos, Kardashian and Chicago wore matching black sweatsuits as they posed, making peace signs and kissy faces. In the last picture, one of the other kids made an appearance as a blur of movement in the corner.

The comments were filled with many birthday wishes from fans and friends alike.

Kris Jenner also shared an honorary social media post for her granddaughter's birthday.

Paired with a bunch of adorable photos of Chicago through the years, Jenner wrote, "Happy birthday to my beautiful granddaughter Chi Chi!!!! You are our little doll who lights up every room. You bring the sunshine and the smiles every day and are so kind, sweet, loving, artistic, creative, generous, funny, and give the best hugs."

She continued: "You are the most amazing daughter, granddaughter, sister, cousin, niece, and friend and I am so blessed God chose me to be your grandmother!!! I love you more than you will ever know!!!! Lovey xoxo ❤️🙏😍🥰🥳🎂🎁🎈."

Interior designer Faye Resnick, who has made many guest appearances on The Real Housewives of Beverly Hills, commented on Jenner's post, "Awe, she’s perfection 💕💕."