"Happy Birthday to my best friend in the entire world," she wrote. "You are the most amazing husband & dad! You inspire me every single day! You make all of your dreams reality & it's fascinating to be by your side & watching it all happen! You have a heart of gold! Have the best birthday ever! #SWISH"
Basically, it's the one day a year where we give it up to the guy who always gives it up to himself. And truthfully, he's got great music, and makes all of our lives just a little more entertaining -- so why not celebrate?!
Here are 17 moments we just couldn't have had without Yeezy.