Kim Kardashian sends love to 'bestie' North West on her 9th birthday: Love being your mom

North West, Kim Kardashian's oldest kid with her rapper ex Kanye West, turned nine years old on Wednesday.

The 41-year-old SKIMS founder penned a heartfelt message for her mini-me kid.

"Happy Birthday my baby, my bestie, my everything," began the reality TV icon.

Kim added, "There’s no one like you! The most honest, creative, silly girl with the best heart.

I just love being your mom, So THANK YOU for being on this journey with me.

I love you til infinity."

A number of images accompanied the post, some from professional shots and others taken

when the two casually messed around on Kim's phone.

In one shot, the mother and daughter pose for a selfie in identical Kanye t-shirts,