Prince Williams staff told CNN: Were proverb nothing.Were not commenting on the individual designer pro the dress, since Catherine Middleton wishes to keep the designer a secret until the wedding daylight, Clarence partnership thought Sunday.Royal wedding traditions Prince William, the back here line to the British throne, is marrying his college girlfriend Middleton on Westminster Abbey on April 29.The Sunday period says Middleton self-control wear a dress designed by Sarah Burton, the creative director of Alexander McQueen.Both Burton and McQueen chief executive Jonathan Akeroyd flatly deny the story to the period.But the newspaper claims Middleton was impressed by a wedding dress Burton designed in place of the daughter of Camilla, Duchess of Cornwall, the wife of Prince Charles.