Prince to be top guest on `X Factor` final`
London: Pop superstar Prince is apparently being lined up to be top guest on `X Factor` final this year.
Simon Cowell is said to have got the singer, 52, to agree to go on the December show, reports the Daily Express.
The music mogul, 51, is a huge fan of Prince`s music and has wanted him to appear on the hit ITV1 show for years.
The `X Factor` is expected to draw in 20 million viewers when the 2010 winner is announced.