Bruni in musical tribute to Mandela Photogallery

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French first lady Carla Bruni has been named 'The coolest person of the year' in a poll. The 40-year-old hit headlines this year when she met the Queen and saw a nude portrait of herself fetch 45,000 pounds. (AFP Photo/Pierre Guillaud)

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A nude portrait of French President Nicolas Sarkozy's wife Carla Bruni is seen here in this undated handout photo from Christie's auction house. It was taken in 1993, when Carla was one of the world's top fashion models. It is expected to fetch $3,000 to $4,000 when it is sold in New York on April 10. (Reuters/Christie’s Images Ltd. 2008)

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Supermodel Carla Bruni wearing a sheer dress for Dolce & Gabbana for their Spring/Summer 96 collection October 8, 1995 in Milan. (Reuters/Stefano Rellandini)

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Carla Bruni displaying a short dress with dove designs during a show by French designer Yves Saint Laurent on the pitch at the Stade de France before the World Cup final in Paris July 12, 1999. (Reuters/Desmond Boylan)

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Italian supermodel Carla Bruni presents Christian Dior's Fall/Winter ready-to-wear show a Gianfranco Ferre creation (AFP Photo/Pierre Guillaud)

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Model Carla Bruni presenting this long fake fur coat worn with matching underpants as part of British designer Vivienne Westwood's Autumn/Winter ready-to-wear fashion collection. (Reuters/Christine Grunnet)

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Italian model Carla Bruni presenting a pink evening gown designed by Gianni Versace for the Haute-Couture 1996 Spring/Summer collection in Paris. (AFP Photo/Gerard Julien)

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Italian model Carla Bruni displaying part of Italian designer Gianni Versace's Autumn/Winter 96/97 collection at a Milan fashion show March 7, 1996. Milan's ready-to-wear fashion shows end on March 8. (Reuters/Stefano Rellandini)

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Italian top model Carla Bruni for French fashion designer Yves St. Laurent presenting this short black and gold strapless cocktail dress as part of his Autumn/Winter 1995 High fashion collection July 12, 1995. (Reuters/Pascal Rossignol)

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Italian supermodel Carla Bruni presents Christian Dior's Fall/Winter ready-to-wear show a Gianfranco Ferre creation (AFP Photo/Pierre Guillaud)