Kourtney Kardashian celebrated her milestone birthday on Thursday

By Jodi Guglielmi
April 18, 2019 10:57 AM
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Happy birthday, Kourtney Kardashian!

Kris Jenner woke up bright and early (as always!) on Thursday to help kick off her eldest child’s 40th birthday celebration.

“Happy Birthday Kourtney!!! I can’t believe you are 40!! I love you more than you can ever imagine…you will always be my baby,” she captioned an Instagram. “I am so blessed beyond words to be your Mommy and have you by my side in this precious life…you are my heart and I am eternally grateful for all of the memories that we cherish. I love you. Mommy xoxo.”

Along with the sweet message, Jenner, 63, posted a handful of photos from throughout Kourtney’s life, including one with her late father Robert Kardashian.

Khloé Kardashian, 34, also celebrated her sister’s milestone on social media, gushing about the “rare bond” they share.

“Happy birthday sweet @kourtneykardash!!! I am completely obsessed with each and everyone of my siblings. Still blows my mind how blessed we are to call each other sisters. You and I have an incredibly rare bond that no matter what, it can never be broken,” she wrote. “You’re my best friend, one of the rare few I can count on most in my life. I’m so thankful for that.”

Credit: Gregg DeGuire/WireImage

She continued: “I know that so many people go through life without their sister as their best friend, or without a sister in general and I don’t know how they do it. Honestly, without you my life would be boring and not as full. Today and every day, I pray that your soul is awakened and from your core, you’re happy! You deserve only magical things for the rest of your life! In all of the lifetimes before and in all of the lifetimes after I will love you! To the happiest of birthdays my sweet sister!! Jane or Suzanne (I forget who’s who) I love you!”

Kim Kardashian West, 38, also celebrated her sister with a sweet slideshow.

“Happy Birthday @kourtneykardash I honestly can’t believe the life we have lived!” she captioned her post. “It’s such a dream to go through it all with having a sister like you by our side! You have taught me so much throughout life. You’re such an amazing mom and friend! Can’t wait to celebrate you tonight! I love you beyond what you could imagine.”

Even former stepparent Caitlyn Jenner, whose relationship with the Kardashian ladies has been frosty in recent years, celebrated Kourtney’s big day.

“It has been one of the greatest joys in my life to watch you grow in so many ways,” Caitlyn, 69, captioned a photo of the two on Instagram. “You are an amazing mom to your kids. You are an amazing business woman. And above all else a kind soul. Happy birthday @kourtneykardash. PS you’re catching up to me.”

“Awww I love you ❤️❤️,” Kourtney commented on the post.

RELATED VIDEO: Kourtney Kardashian Shows Off Her Figure in Sexy Bathtub Snap (with Strategically Placed Bubbles)

Last week, in a hilarious video released Thursday by E! News, Kim, Khloé, Kourtney’s ex-boyfriend Scott Disick, and two eldest children, Mason and Penelope, sent well wishes to the Keeping Up with the Kardashians star.

To start the video, Kim said with a laugh, “Good Lordy, you’re turning 40, Kourtney.”

“I can’t even believe this is how old you are,” the Kimoji creator continued. “When I think of you and your birthday, I think of dancing drunken nights in Mexico, so I can only imagine how big we’re gonna do it up for your 40th birthday. I’m always so proud that you came before me, so I’ve always copied you and watched everything that you’ve done and followed in your footsteps. So, thank you for being the best sister, the best mentor and I love you. Happy birthday.”

And Disick — who shares sons Mason, 9, and Reign, 4, and daughter Penelope, 6, with Kourtney — praised the birthday girl as a “wonderful” mom in his loving message.

Sitting beside Mason in the clip, Disick, 35, began, “Happy birthday, Mom. Happy 40th. We wish you another happy 40 to come.”

Penelope chimed in off-camera, “She looks like a kid.”

“Keep up the good work, and you look very young, P says,” said Disick, before Penelope continued, “You look like a 1-year-old.”