Dior has released a teaser video for the latest installment in its campaign film series, "Secret Garden." This fourth installment in the series stars singer Rihanna. The film is set in the Palace of Versailles and was shot by photographer Steven Klein, who has worked on music videos and concert footage for artists like Madonna and Lady Gaga. The full trailer, scheduled to be released on the brand's official website on May 18, shows Rihanna wandering the mysterious world of the Palace of Versailles, Dior bag in hand.