Read the sweet message that Kylie wrote:
"how did i get so lucky to have such a sweet, smart, happy baby. i just couldn’t have dreamt you up, storm. i wish you could stay this little forever and i could protect that contagious smile and laugh of yours. I know you won’t remember much about the first year of your life but i pray that you’ll never forget to keep sharing your joy and laughter with the world. my love grows for you a thousand miles a minute. every day with you is the best day of my life. happy birthday to my angel on earth. 🎈"
The post was followed by a video of Kylie and Travis being super cute with baby Stormi making an appearance at the end.
Kylie's sisters also made sure to wish their niece a Happy 1st Birthday, taking to Instagram to share adorable photos.
Kim Kardashian West uploaded a pic of Stormi and Chicago hanging out in matching play walkers.
"Happy Birthday to the sweetest baby girl Stormi! We love you so much!!! 💕" big sister Kim wrote.
'Momager' Kris Jenner also wished the little girl a wonderful day.
"Happy birthday to our little angel Stormi! You bring us so much joy with your sweet smile and precious laugh. You are such a beautiful blessing and I love you so very much! #HappyBirthdayStormi ❤️" Kris penned.
Kylie's big sis Kendall also posted a sweet message.
"sweet, tiny noodle! your energy is powerful, i hope the world offers you nothing but beautiful things. i love you Stormeroo! happy 1st birthday," Kendall wrote.
Happy Birthday Stormi!