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Mail a collection of your proudest shots to the Calvin Klein corporate office, or send a digital copy through email. Even if they're not holding auditions, it won't hurt for them to have your name and face on file. It may make you more likely to be considered for future projects. If you're working with an agent, see if they can get in touch with Calvin Klein's modeling directors on your behalf. Talk to reliable insiders, read industry news, and check Calvin Klein's social media accounts regularly to find out when they're on the lookout for new models. By keeping yourself informed, you can make sure that your schedule is clear and in you're in the right area when auditions open.  It's likely that someone in your agency will have caught wind of an upcoming campaign before it begins casting. Calvin Klein auditions are highly exclusive events. Keep in mind that having an inside line won't guarantee that your chances will be better than anyone else's. With enough high-profile gigs under your belt, you may be fortunate enough to score an invite to try out for the brand's next big. Do everything in your power to be there and show them what you've got. If they like what they see, you'll get a call back for a second or third round of auditions, and may eventually be the one chosen for the job.  Calvin Klein doesn't hold open modeling auditions. The company has grown so big that their casting directors bring in new models by invitation only.  It may take years of hard work before you've gained enough exposure to end up on the brand's radar. The world of professional modeling is a competitive one. Be prepared to accept the decisions of the casting directors and learn to develop an open mindset towards criticism. Rather than letting it discourage you, use it to sharpen your image and apply what you've learned when it comes time for your next shoot.  Being turned down doesn't mean you're no good as a model. It just means you weren't what the higher-ups had in mind for a particular shoot or campaign. Nobody becomes a success overnight, but all it takes is one lucky break to become an overnight sensation.

Summary:
Submit your portfolio to directly to the brand. Stay up to date about potential opportunities. Audition for Calvin Klein ad campaigns. Take rejection in stride.