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The Girls Aloud star took part in the fundraising show for cancer research.
James McAvoy and Stacey Dooley lead the star-studded line-up.
The 47-year-old TV presenter and wheelchair basketball player has had a baby boy called Bolla, with his singer wife Elle Exxe.
Graham Norton will be leading Children in Need’s star-studded presenting line-up this year – and he’s keen to honour the late Sir Terry Wogan. Strictly Come Dancing presenter Tess Daly, Radio 1 DJ Greg James, Paralympic gold medalist Ade Adepitan, Capital’s Marvin Humes and The Saturdays’ Rochelle Humes, will also join the Irish host. “It is a huge privilege to join the presenting team for the Children in Need Appeal show,” Graham said.