She is also a Unicef goodwill ambassador and wants the festival to inspire all ages.

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The actress and political activist, who is a Unicef goodwill ambassador, is guest director of the 46th Brighton Festival, which runs until 27 May.

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Actress Mia Farrow, a UNICEF goodwill ambassador who has just returned from her fourth visit to Darfur, agreed that the U.S. effort is late and lacking.

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"You need young people to have access to these remote locations to see what is going on and understand why things are changing, " Mr Hubert, a Unicef goodwill ambassador, explains.

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She is also a Unicef goodwill ambassador.

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She is a goodwill ambassador for Unicef, campaigning to fight polio - she contracted the disease when she was nine and one of her adopted children become paralysed after becoming infected.

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Her position as a world-music star gives her an important platform for her activism: She's been a goodwill ambassador for UNICEF for nearly 10 years, and has her own foundation to support higher education for girls in Africa.

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