Dancing on Ice star Hannah Spearritt was left in tears due to an illness that almost made her quit the show. She revealed that she felt so unwell during training that she thought she might have to leave.The former S Club 7 singer, who has been battling an auto-immune condition since 2013, had to miss at least two training sessions a week after a tooth infection caused a severe relapse. She was so sick during some rehearsals that she ended up crying.