Tousled, wavy hair screams sexy, yet it can be hard to pull off that "just stepped off the sand" look. Celebrity hairstylist Cesar Ramirez reveals the secret and tips for perfecting this imperfect style. Whether your hair is naturally wavy, straight, or even flat, you'll be able to pump up (and maintain) the volume and look like a sun goddess with just your flat iron in minutes. Can you say date night?