She shared sneak peek of the unveiling on Insta and it looks sicccckk.
The collection will launch on August 6, four days before Kylizzle's actual birthday.
"I can't believe I'm about to turn 21," she said.
"I also can't wait to share this collection with you guys. It's definitely the most personal collection I've done.
"So I hope you guys love it. My birthday collections are super special to me because the first collection I ever did was for my 19th birthday.
"So this is gonna be my third annual. My birthdays are what sort of set off collections for me."
The new range will be available from her site KylieCosmetics.com so get in quick!