The Victoria's Secret Angels aren't just known for their lingerie and wings, but they're known for their flawless skin, too. We went backstage at their annual fashion show, which is set to air tonight, to chat with Alessandra Ambrosio, Miranda Kerr, Karlie Kloss, and more models on how they prepare to show some skin on the runway. Watch now to see what it takes. On Kirbie: Blaque Label top and blazer and Forever 21 necklace.