"Queen have also confirmed they will perform. Robbie Williams is rumoured to be planning to sing with the band dressed as their legendary frontman Freddie Mercury."
http://www.allinlondon.co.uk/news/index.php?news_id=2907 for full story.
"Queen have also confirmed they will perform. Robbie Williams is rumoured to be planning to sing with the band dressed as their legendary frontman Freddie Mercury."