Plus, a new way to color-match against your skin tone.
Rosie Huntington-Whiteley and Elsa Hosk are also fans.
And the reason is horrifying.
Her regiment sounds heavenly.
It's a good one.
See who wore what in the gallery ahead.
Full of volume and vampy va-va-voom.
A top celeb trainer breaks down the model's tough workout routine.
The core models and starlets in Olivier Rousteing's chick clique.