The star shed five stone and shrank from a size 22 to a 12, an incredible feat.
Back in 2008, Fern took the decision to undergo a gastric band operation.
“I had the gastric band for health reasons,” Fern said.
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“My cholesterol was high. My knee joints were starting to hurt. I wasn’t able to run.
“I was approaching 50 and I thought: ‘Do you know what? I’m going to be different when I’m 50,’” she told the Mail Online in 2011.
Source: Daily Express | Diet