“Over 16 years you're going to change a bit, both of you,” she said. I'm not saying everybody can do it (and) I definitely think people are surprised that we can do it this way.
“So we live separately but together and happily in the same house.
In 2009, Joe Calzaghe, the boxer, parted from his girlfriend of five years after appearing on the show.
He went on to date his dancing partner, Kristina Rihanoff, but they split after four years.
Meanwhile, Bellew’s step up to the heavyweight division follows the one taken by Haye when he advanced from his position as unified cruiserweight champion in 2008 to win the WBA heavyweight belt from the giant Russian Nikolai Valuev in 2009.
Bellew began a further division down at light heavyweight before rising to cruiserweight in March, 2014.
“But that is still my goal and with Anthony Joshua and Wladimir Klitschko likely to meet next April, I can see a scenario where I could fight the winner, which would be a huge occasion.” Bellew, 33 and Haye have mocked and taunted each other since a confrontation at ringside following the Liverpool fighter’s defeat of BJ Flores in October.
(Dominic’s) probably gone through lots of different thought processes.” She said the pair were still close and had tried to work things out for their sons, continuing to live together in the family home in Balham, South London, despite Mr Cotton being in a new relationship.
"Obviously we've been through a bit since splitting up, because a separation is always going to be sad.
Watford’s Joshua is a huge favourite in that contest, which Haye forecast will be “something like a public sparring session.
But he added: “Sometimes you have to take those kind of fights to build your career, keep learning and add to your reputation.” The real benefit, however, is that the contest is highly unlikely to disrupt the plan for Joshua, 26, to meet 40-year-old Klitschko next Spring.