Kylie Jenner’s Doctor Praises Her “Amazing Metamorphosis” — See How Much Her Face Has Changed!

The Kardashians have a secret weapon when it comes to their beauty treatments — and his name is Dr. Simon Ourian.

In an interview on Khloé Kardashian's website, the cosmetic dermatologist opened up about the work he's done on 18-year-old Kylie Jenner.

Click through the slideshow to find out what he had to say and to see her DRASTIC transformation for yourself!