Kourtney Kardashian turns 43! Kim Kardashian, 41, wishes her older sister a happy birthday

Kourtney Kardashian turned 43-years-old on Monday and her family was happy to take to Instagram to wish her well.

Kim Kardashian was the first to hit her keyboard at 6 am as she posted images of the two in royal blue swimwear while in the ocean.

In her caption, the 41-year-old SKIMS founder said that her older sister has taught her so much in life.

Ladies who swim: The star shared images with her older sister at the beach

‘Each year around the sun with you I learn and grow and evolve more because of you!’ began the ex-wife of rapper Kanye West.

‘Thank you for teaching me to always go for it and follow my heart even if no one else understands,’ added the siren who is starring with her family in the Hulu show The Kardashians this year.

And Kim ended with: ‘They just aren’t on our growth path lol Happy Birthday!’

Babe watch: In her caption, the 41-year-old SKIMS founder said that her older sister has taught her so much in life

hanks Kourt: ‘Each year around the sun with you I learn and grow and evolve more because of you!’ began the ex-wife of rapper Kanye West

Then she brought up Kourtney’s newfound glow thanks to her relationship with fiancé Travis Barker. 

Kourtney has seemed to be in a much better place since she started dating the drummer. 

‘Happiness looks so good on you,’ remarked Kim as she ended with, ‘I love you so much!!!’

Dive time: ‘Thank you for teaching me to always go for it and follow my heart even if no one else understands,’ added the siren who is starring with her family in the Hulu show The Kardashians this year