The 15-year-old reality star, Kendall je scored the cover of American Cheerleader magazine, and her sisters are beyond thrilled!

Khloe Kardashian couldn’t help but share the news on her blog, writing:

“Hi dolls! As the proud big sister that I am, I of course had to post Kendall’s very FIRST cover! WOOOHOOOOOOOOOOO! She absolutely loves cheerleading at her school so I know this magazine meant a lot to her Can you believe how stunning she looks?! I mean, what is going on here??? I used to change her diapers! LOL. Congrats Kenny!!!! I die for you.”