Zits are kind of the opposite of sexy, so if you need help getting rid of them, check out this acne guide. On the day of, make sure you prep your skin for makeup (or just for a healthy glow if you feel like working the natural look). Maran suggests cleansing and exfoliating (she uses a Clarisonic Mia, $149 which does both), then hydrating. She recommends using Josie Maran Argan Oil, $14 for a dewy finish. And if you are going sans-makeup, Maran says you should still curl your lashes to open your eyes up. She loves the Shu Uemura Eyelash Curler, $17.