Princess Stéphanie of Monaco, Countess of Polignac (Stéphanie Marie Elisabeth Grimaldi; born 1 February 1965) is the youngest child of Rainier III, Prince of Monaco and actress Grace Kelly, and the sister of Albert II, Prince of Monaco, and Caroline, Princess of Hanover. Currently the tenth in the line of succession to the Monegasque throne, she has been a singer, swimwear designer and fashion model.