Carina, Princess of Sayn-Wittgenstein-Berleburg is an American author and former model, best known for the teen fashion detective series Model Undercover. Her other series are the Nigel of Hyde Park books and the Royal Rebel books. As a model, she appeared on the covers of Madame Figaro, Elle, and Vogue Patterns in the 1990s. She is the wife of Gustav, 7th Prince of Sayn-Wittgenstein-Berleburg.
