Stars pay tribute to Princess Diana


LONDON -- An international lineup of pop stars paid tribute to Princess Diana on Sunday at a memorial concert watched by her sons Princes William and Harry and a crowd of 60,000 at London's Wembley Stadium. Elton John, a good friend of the princess who sang at her funeral, kicked off the show with a rendition of "Your Song" in front of giant black and white photographs of Diana beamed on to the stage backdrop.