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After being announced for the BBC1 show Dr Ranj - whose cheesy codename was Goat - said he was "so sore" after going to the gym to get a bit fitter and prepare himself for taking part.
"Everything hurts!" he exclaimed, adding that his friends would describe his dancing style as a cross between "dad dancing and go go dancing".
"I do like to dance, I do it for fun," he added. "I've never been formerly trained or anything. I really want to learn how to dance properly and just want to have fun with it."
He also said he needed "tips" and "help" from fellow This Morning star Ruth Langsford, who took part in the show last year when she was partnered with Anton du Beke.
As well as being a presenter on This Morning, Ranj also fronts Save Money: Good Health with Sian Williams, and has appeared on CBeebies shorts series Get Well Soon:
These are just some of the celebrities who are also being linked to this series.
Although there hasn't been an official announcement from the BBC, Craig Revel Horwood, Bruno Tonioli, Darcey Bussell and last year's new Head Judge Shirley Ballas all look set to reprise their seats on the panel this year.
Who is Ranj Singh's professional partner?
He is paired up with Janette Manrara.
Week One: 27 (6, 6, 8, 7)
Week Two: 24 (5, 6, 7, 6)
Week Three: 20 (4, 5, 5, 6)
Week Four: 27 (6, 7, 7, 7)
Week Five: 25 (5,6,7,7)
Week Six: 20 (5,5,5,5)
Week Seven: 27 (6,7,7,7)
Dr Ranj Singh: key facts
Job: TV doctor with This Morning and CBeebies