She is unrecognisable in the photos from her 45th birthday

Kris Jenner celebrated her daughter Kourtney's 45th birthday with a touching tribute post of throwback snaps from throughout her life as she marked the special occasion. Kris Jenner posted the touching tribute to her daughter on her daughter's birthday on her Instagram account on Monday. The reality TV star is unrecognisable in the throwback pics.

Kourtney Kardashian uses Kim K's Biggest Insult As Her Birthday Cake Topper. Who's the "least exciting to look at" now? Who is the "Least exciting" to look after now? Kim Kardashian's birthday cake topper is a Kim Kardashian cake.

Kourtney Kardashian uses Kim K's Biggest Insult As Her Birthday Cake Topper. Who's the "least exciting to look at" now? Who is the "Least exciting" to look after now? Kim Kardashian's birthday cake topper is a Kim Kardashian cake.

Kourtney Kardashian celebrates her birthday with a hilarious cake and more star snaps. Zendaya keeps cool at the Masters and more at the Augusta. Kourtneys Kardashian prepares to turn 45, Zenday keeps cool in Augusta, Georgia, Georgia. Zendsayar keeps cool as she prepares to celebrate her 45th birthday.

Kourtney Kardashian turns 45 on Wednesday. The reality TV star has spent years in the public eye. Look back at her hottest moments as she turns 45. Check out the reality star's hottest moments throughout the years. Do you know a celebrity who has turned 45? Contact CNN.com/Kourtney.