Concern for Aiden after rehearsals outburst

'X Factor' hopeful Aiden Grimshaw stunned show bosses when he threw a "huge strop" during rehearsals.

The 18-year-old singer - whose performance of John Lennon's 'Jealous Guy' was criticised by the judges on Saturday's show - apparently struggled to get to grips with the track and failed to keep his emotions in check.