The 18-year-old debuted the new style on Instagram and Snapchat on October 17, reported Us magazine.
"Thanks for the dope blunt haircut," Jenner captioned a slow-motion video of herself on Instagram, showing off her locks and giving celebrity hairstylist Priscilla Valles a shout-out.
Tyga's girlfriend also added alongside a throwback photo of her long mermaid-looking hair.