Kim Kardashian Sends Kanye West a Birthday Message: "I Love You Beyond Words!"

Keeping Up With the Kardashians star posted a sweet tribute to her boyfriend on Instagram Saturday

Kim Kardashian is paying tribute to her man.

In honor of Kanye West's 36th birthday today, the Keeping Up With the Kardashians star hit Instagram to post a super-sweet message to her beau.

"Happy Birthday to my best friend, the ❤of my life, my soul!!!! I love you beyond words!," Kim wrote in a caption alongside the adorable collage.

Aww!

Kim revealed she and Kanye are expecting a baby girl together on last week's season premiere of Keeping Up With the Kardashians.

Don't forget to tune in to Keeping Up With the Kardashians this week at 9 p.m. only on E!