The Dancing On Ice star announced the break-up last night, while a spokesman for the star denied claims that he has struck up a romance with show judge Karen Barber.
He confirmed: "Christopher Dean and his wife Jill Trenary have separated. They remain good friends and devoted parents to their two sons."
Dean, 51, won a 1984 Olympic gold for Britain skating in Sarajevo with his on-ice partner Jayne Torvill to Ravel's 'Bolero', for which they gained the maximum possible number of points.
Having retired from competitive skating in 1998, Dean has been living with Jill, his second wife, in Colorado Springs in the US with their two children. A spokeswoman for ITV declined to comment on the split, stating: "It's a personal matter."