Francois Nars, the creative genius behind Nars Cosmetics, took some time out of his busy New York Fashion Week schedule to chat with us about his inspiration for the makeup at the Marc Jacobs runway show and how to get the look. He even shared what it’s like working with the famous fashion designer while planning the show.

We caught up with top models Elettra Wiedemann (daughter of Isabella Rossellini) and the stunning Arlenis Sosa at the Lancôme studio backstage at New York Fashion Week. From their beauty bag essentials to products that keep them gorgeous year-round — and even a cool tip about applying blush somewhere else besides your cheeks — be sure to check out the video to see their insider tips and tricks.