Kim Kardashian was the first to hit her keyboard at 6 in the morning, as she posted photos of the two in royal blue swimsuits while in the ocean. In her caption, the 41-year-old founder of SKIMS said that her older sister has taught her so much in her life. Happy Birthday! Kourtney Kardashian, left, turned 43 on Monday and her family happily took to Instagram to wish her well. Kim Kardashian, right, was the first to hit her keyboard at 6am Ladies swimming: The star shared pictures with her older sister on the beach “Every year around the sun with you I learn, grow and evolve more thanks to you!” started rapper’s ex-wife Kanye West. “Thank you for teaching me to always pursue it and follow my heart even if no one else understands it,” added the siren who starred with her family in this year’s Hulu The Kardashians show. And Kim ended with the following: “They just are not in our development course lol Happy Birthday!” Babe Watch: In her caption, the 41-year-old founder of SKIMS said that her older sister has learned so much in life hanks Kourt: “Every year around the sun with you I learn, grow and evolve more thanks to you!” started rapper’s ex-wife Kanye West Then she showed off Kourtney’s new glow thanks to her relationship with her fiancé Travis Barker. Kourtney seemed to be in a much better position since she started dating the drummer. when he was with his dad, Scott Disick, he was often in a sour mood because of his serial infidelity and his party. Together Kourtney and Scott have three children: Mason, 12, Penelope, nine, and Reign, seven. “Your happiness looks so good”, Kim remarked as she concluded with: “I love you so much !!!” Dive time: “Thank you for teaching me to always strive and follow my heart even if no one else understands it”, added the siren who starred with her family this year in the Hulu show The Kardashians The law student has also shared many flashback photos with Kourtney since she was younger, partying in Miami, Las Vegas and Los Angeles. The little ones were seen dressed for the holidays and playing at home. Other family members include Khloe, Kendall, Kylie and Rob. Party twins: The law student also shared several flashback photos with Kourtney since she was younger, partying in Miami, Las Vegas and Los Angeles 20s spirits: In some of these pictures Kim and Kourtney looked different in their 20s Momager Kris Jenner shared retrospective photos of Kourtney. an image showed her in a light blue dress. ‘Happy birthday to my beautiful daughter @kourtneykardash !!!’ started Corey Gamble’s girlfriend. “You are my first angel and my very special best friend since you were born.” Long before fame she was a sweet kid: Momager Kris Jenner shared photos of Kourtney with flashbacks. an image showed her in a light blue dress Mom and I: ‘Happy birthday to my beautiful daughter @kourtneykardash !!!’ started Corey Gamble’s girlfriend With Dad: Lawyer Robert Kardashian, who helped defend OJ Simpson during his murder trial, appears to be holding Kourtney Then he got excited about how great a person Kourtney is. “You are a wonderful daughter, mom, sister, cousin, aunt and fiancé !!!!” she wrote. “I am very proud of the woman you are and I thank God every day that she chose me to be your mom…”. said the TV producer. He continued: “I am so blessed and grateful to be on this journey of life with you and I love you more than I can ever explain… you are my heart ❤️ Happy birthday sweet girl ❤️. Christmas season: Then he got excited about how great a person Kourtney is. “You are a wonderful daughter, mom, sister, cousin, aunt and fiancé !!!!” she wrote When she was a teenager: Kourtney had thin eyebrows in the ’90s as a teenager This is new: Kourtney appears to be wearing reading glasses while mom drinks wine on a yacht Khloe, 37, shared some flattering photos of Kourtney on her birthday morning. She showed one to the student with straws on her nose, which is a drastic difference from the elegant, well-groomed image she likes to present to her fans. The founder of POOSH also looks with puffy eyes, which is not her best image. Another image shows Kourtney with her head back as a waiter feeds her a shotgun. The two were seen fighting in the last season of Keeping Up With The Kardashians. These photo options seem to prove that they are still on a difficult footing. Not pretty: Khloe, 37, shared some flattering photos of Kourtney on her birthday morning. She showed one to the student with straws on her nose, which is a drastic difference from the elegant, well-groomed image she likes to present to her fans. Oh, now this is not nice: The founder of POOSH also looks with puffy eyes, which is not her best image Proof Kourt is a party girl: Another photo shows Kourtney with her head back as a waiter feeds her a shotgun