Kim Kardashian Wishes Sister Kourtney On Her Birthday With A No-Makeup Photo

KEY POINTS

Kim said Kourtney is "the person on this planet I've known the longest!"
She noted how much she admires Kourtney
Kourtney's mother and other sisters also wished her on Sunday

Kim Kardashian wished Kourtney on her birthday Sunday and joked about how her sister "will try any beauty treatment with me."

The 40-year-old socialite took to Instagram on Sunday to share a picture of her and Kourtney sitting in front of a dressing table without any makeup.

"Happy Birthday to my Armenian Queen @kourtneykardash! she captioned. The person on this planet I've known the longest! The person that will try any beauty treatment with me LOL about Kourt...There's NO ONE like you!"

"You always know what you want in this life and will never conform to what others ideals are and I admire that so much!" she added. "You always stick up for what's right and have become the best therapist a girl could ask for!"

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"I love you too the end of time and beyond!" she said. "Have the best birthday, you deserve it all!!!"

The "Keeping Up with the Kardashians" star, who turned 42 on Sunday, also received a special birthday message from her boyfriend, Travis Barker. The 45-year-old musician took to Instagram to share some intimate pictures and videos of him and Kourtney.

In the pictures, Barker could be seen making out with Kourtney. Barker also shared a video featuring Kourtney sucking his thumb. "I F----NG LOVE YOU! YOU'RE A BLESSING TO THIS WORLD HAPPY BIRTHDAY @kourtneykardash," he captioned it.

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Her mother, Kris Jenner, and sister Khloe also wished Kourtney on her birthday.

"I am beyond proud of the amazing woman you are... you are the most fabulous mommy, daughter, sister, friend, and auntie and you are an inspiration and such a beautiful source of love and support to all of us!" Jenner posted on Instagram.

"Have the most magical day filled with all of the joy you deserve...," she added. "I love you beyond measure and I thank God every day for blessing me with you. I love and adore you, Mommy."

In a post, Khloe wrote, "You are my soulmate!! My partner in every way."