The Makeup Products Every Woman Should Own, According to Top Makeup Artists

Clients Include: Adriana Lima, Rihanna, Jourdan Dunn

Must-Have Product: "A contour blush and shadow," says Yadim. "Contouring can add definition to your eyes and cheeks without looking overdone or looking like you're wearing a lot of makeup. It's a great way define your eyes and give the illusion of a slimmer profile. To me, highlighting is important and can bring out your natural beauty and add perfection to your makeup look. Use it on the high planes of the cheeks, brow bone, Cupid's bow, chin, and the inner corners of your eyes."

Maybelline New York Master Contour, $12.99, available in January at maybelline.com