Watch: Kylie Jenner's Daughter Stormi Webster Steps Out in $15,000 Outfit-and Her LabubusStormi Webster is doing amazing with her style-and Labubus. Kylie Jenner and Travis Scott's 7-year-old daughter was the definition of fashion as she attended her great-grandmother Mary Jo "MJ" Campbell's birthday celebration alongside her equally stylish mother. The Kylie Cosmetics founder put Stormi's style on display in a post dedicated to the occasion. In one pic, Stormi has her back to the camera as she shows off her custom all-white skirt set by Chrome Hearts.