Walliams nearly blinds Cowell after throwing pen at him

David Walliams nearly blinded Simon Cowell for being funnier than him on 'Britain's Got Talent'.

Fellow judge Amanda Holden has teased a more volatile relationship between her co-stars - who are known for their humorous banter - in the new series and has revealed Simon, 54, narrowly missed an injury after David, 42, threw a pen at him.