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OTRC: Kate Middleton's wedding gets Elton John? Singer says he'll 'probably' perform

While speculations about Kate Middleton and Prince William's wedding details continue to swirl, Elton John tells the U.K. Daily Mail that he'll "probably" perform.

The singer was a close friend of the Prince's mother. His remake of the song "Candle in the Wind" in 1997 about Princess Diana's death became a worldwide hit. John changed the original lyrics of his song, which was initially about the death of Marilyn Monroe, to fit the princess' life. John performed it at her funeral in Westminster Abbey, where the Prince and Middleton will be wed on April 29, 2011.

Westminster Abbey was also the site of the 1947 wedding of his grandmother, Queen Elizabeth II.

The British Monarchy announced the date and venue on its Twitter page following a week of speculation. William and Middleton are 28 and met eight years ago when they were students. They announced their engagement last week and she showcased her ring, which belonged to Diana.

Westminster Abbey, formally known as the Collegiate Church of St Peter, can seat 2,000 people and is a place of daily worship. It is also the location where 38 kings and queens were crowned and the site of 17 funerals of monarchs.

Royal Aides said Prince William and Middleton chose the venue due to its "staggering beauty, its 1,000 years of royal history and its relative intimacy despite its size," the UK Newspaper The Telegraph reported.

The date of the wedding falls on a Friday and will be marked as a national holiday in the United Kingdom.

"We want to mark the day as one of national celebration - a public holiday will ensure the most people possible will have a chance to celebrate on the day," British Prime Minister David Cameron said in a statement.

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