Happy Birthday, Kourtney Kardashian! Momager Kris Jenner & Sisters Kim And Khloé Share Adorable Throwback Pics To Celebrate!

It’s a big day for Kourtney Kardashian!
Not only is she in Iceland right now, but the beautiful momma of three turns 37 today — and the birthday celebrations have already begun!
Related: To Celebrate Her 37th Birthday, Check Out Kourt’s Best MILF Moments!
The reality TV star’s momma Kris Jenner took to Instagram late Sunday night to post some early birthday wishes for her oldest daughter… and the result is an absolutely precious throwback pic!!
Ch-ch-check out momma Kris’ ode to her 37-year-old baby, with a special shot of Robert Kardashian, Sr. (below):

Happy Birthday tomorrow beautiful @kourtneykardash !! I know it’s crazy but I remember this pic like it was yesterday.. You have brought so much love, joy, and happiness into my life and I’m proud to be your Mom.. You teach all of us everyday what it means to be an amazing daughter, Mom, sister, friend, and a genuinely beautiful human being. Thank you for being such a bright light and an inspiration to me every day.. You are kind and patient and have the biggest heart and I love you more than you will ever know. You will always be my firstborn who captured my heart…. Oh, and I’m really sorry about this outfit I put you in….I love you, mommy #love #blessed #mybabyA photo posted by @krisjenner on Apr 17, 2016 at 8:44pm PDT

Awww!!!
So sweet! And such… uh… such an inneresting baby outfit! LOLz!!
Related: Kourtney & Justin Bieber STILL Hook Up?!
But KJ wasn’t the only one with birthday wishes today… Kim Kardashian West and Khlo├â┬⌐ Kardashian had their own special messages for the older sis, too (below)!!!

Happy birthday @kourtneykardash!! What would our family do without you?!?! This picture sums us up, even though I’m covered in chicken pox, you’re still chillin by my side. I love you!!!A photo posted by Khlo├â┬⌐ (@khloekardashian) on Apr 18, 2016 at 7:27am PDT

Happy Birthday @kourtneykardash Thank you for always doing everything first so I can copy you! I don’t know what I would do without you! I love you! Happy Birthday!A photo posted by Kim Kardashian West (@kimkardashian) on Apr 18, 2016 at 6:39am PDT

More throwback pics!! So cute!!!
Related: Look At Kourt Power-Strut In A Tight Beige Dress!
Now, we can only wonder… will Kimmy go even further and reveal something embarrassing about Kourt’s childhood to get a little birthday revenge after last week?!
Ha!!!
Enjoy your day, Kourt!!
[Image via Instagram/FayesVision/WENN.]