J'adore Rihanna! That's right: The singer is going to be the latest ambassador for Dior, making her the first black woman to be a face of the iconic fashion house. RiRi wil star in the next installment of Dior's Secret Garden campaign, which was shot in Versailles, France, by Steven Klein."Film and print versions of the campaign are scheduled to run this spring," a brand spokespersontoldVogue U.K.The star had been spotted at the Palace of Versailles' Hall of Mirrors in a gorgeous silver sequined frock filming what did indeed turn out to be her Dior debut! As first reported by theDaily Star UK, a New York-based producer on the shoot posted and tagged shots of Rihanna on Facebook, accidentally revealing the news before, well, the official reveal.