Kourtney Kardashian celebrated her 43rd birthday Monday and her fiancé, musician Travis Barker wished her with a PDA-filled photo and called her "my best friend."

The 46-year-old musician shared a black and white sketched photo of him holding Kourtney in his arms. While Travis looked at the lens in the photo, Kourtney’s eyes were closed. The musician can be seen shirtless while Kourtney donned a laced dress.

"My best friend, my lover, my everything," Barker captioned the photo. "Happy Birthday @kourtneykardash I love you."

The comments section was filled with positive messages.

"Y’all better print this out & hang it on the wall somewhere," one of the fans wrote while another fan noted, "Imperfection is beauty, madness is genius and it’s better to be absolutely ridiculous than absolutely boring."

Many other fans wished Kourtney a very happy birthday while others noted that they are soulmates.

The dating rumor between Kardashian and Barker began in 2018 when the duo was spotted leaving a restaurant together in Los Angeles. In 2019, the couple was spotted in Malibu, California. They made their relationship official in earlier 2021 and got engaged the same year in October.

Besides Barker, Kourtney received a dedicated birthday post from sister Kim Kardashian. The mother of four posted a series of matching blue bikini photos Monday on Instagram.

"Each year around the sun with you I learn and grow and evolve more because of you!" Kim captioned the photos. "Thank you for teaching me to always go for it and follow my heart even if no one else understands."

"They just aren’t on our growth path lol Happy Birthday @kourtneykardash!" she added. "Happiness looks so good on you. I love you so much!!!"

Kourtney's mother Kris Jenner, on the other hand, shared a series of photos featuring her childhood and motherhood photos.

"You are my first born little angel and my very special best friend from the moment you were born," Jenner wrote after wishing happy birthday. "You are such an amazing daughter, mommy, sister, cousin, auntie and fiancé!!!!!!"

Kardashian shares three kids – Mason, Reign and Penelope – with Scott Disick. Barker has two kids – Alabama and Landon – with his ex-wife Shanna Moakler.

Kourtney Kardashian and Travis Barker
LAS VEGAS, NEVADA - APRIL 03: Kourtney Kardashian and Travis Barker attend the 64th Annual GRAMMY Awards at MGM Grand Garden Arena on April 03, 2022 in Las Vegas, Nevada. Axelle/Bauer-Griffin/FilmMagic
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