Princess Stéphanie of Monaco (Stéphanie Marie Elisabeth Grimaldi, born 1 February 1965) is the youngest child of Grace Kelly and Rainier III of Monaco. She has been at one time a singer, swimwear designer, and fashion model; her mother lovingly called the princess her "wild child" — she is the sister of Albert II of Monaco and Princess Caroline.

She was the passenger in the car when her mother was killed in an accident on a mountain road 13 September 1982. Rumours persist to this day that Stéphanie was driving. She was unable to attend her mother's funeral because she was in hospital with injuries from the crash.

In February 1986 Stéphanie released her first single with the French label 'Carrere', under the production of Yves Roze. The song Ouragan (Hurricane) and its English version "Irresistible" quickly reached the international Top 10, reportedly selling more than 5 million copies. In September, she released a full album called "Besoin" reportedly selling more than 2.5 million copies(also released as 'Stephanie' in some countries) with 8 new songs, including 'Flash' (in French), which was released as a single and reached the hit parade all over Europe. In January, 1987, she released the single "Young Ones Everywhere" to benefit UNICEF. By the end of 1986, she was the queen of all European media, with her voice on the top ten on the radio, her video clips recorded in exotic lands like Mauritius, appearances on TV, and her picture in every magazine.

In 1987 Stephanie moved to Los Angeles to dedicate herself to music and live with her then-boyfriend, Mario Oliver. However, it took 5 years for the product to come out, and sales were disappointing, only 3000 copies. The album had 10 songs, including the single 'Winds of Chance' for which the video clip was recorded in the Canary Islands. The producers tried to leave her Europop style behind and create a more grown-up album with English-only lyrics, though she sounded better in French. Her first and only live tour took place in the summer of 1991 in Europe and South America to promote the album called Stéphanie released in the U.S. by Sony Music. U.S. critics gave the album negative reviews and focused on her privileged background, which they felt discredited her efforts. She also recorded "In the Closet" with Michael Jackson under the alias of Mystery Girl for his album, Dangerous. She then ended her pop music career.

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