Kylie Jenner unrecognisable as she shares old snap for Kourtney Kardashian's birthday

dailystar.co.uk:

Kylie Jenner has taken to social media to share a sweet throwback snap with Kourtney Kardashian to mark her older sister's birthday.The Poosh business owner turned 43 years old on April 18.She was inundated with messages on Instagram from her famous family members.Kylie, 24, logged onto her profile to share a snap from the Kardashian family photo album.A baby Kylie can be seen posting in a red and white outfit while being held by big sister Kourtney.Despite the almost two decade age gap between the siblings, Kourtney and Kylie are close.Mum-of-two Kylie penned alongside the snap shared on her Instagram story: "Happy birthday my beautiful sister! @kourtneykardash."Mum Kris Jenner, 66, also went digging through the archives to celebrate her eldest daughter Kourtney turning another year older.Included in the selection of snaps posted by the 66-year-old to her Instagram account are cute shots of a pig-tailed Kourtney, a family shot taken on a boat and another of her as a young girl with her father - the late American attorney Robert Kardashian.Along with the pictures, Jenner shared a loving message to her "first born little angel," which also described Kourtney as her "very special best friend from the moment you were born".The doting mum added she was "very proud of the woman you are" and said she was "so blessed and grateful to be on this journey of life with you".She signed off with "Happy Birthday sweet girl" and a bunch of emojis, including a love heart, cake and balloon.Her full message read: "Happy birthday to my beautiful daughter @kourtneykardash!!!"You are my first born little angel and my very special best friend from the moment you were born.