Kym highlighted that her friend, who has been married to Liz Marsland since 2015, has such a “strong relationship” with his wife.
She continued: “But from what I know of my friend Kelvin, he has such a strong relationship with his wife Liz.
“They’re a lovely couple with amazing children and I’m sure there’s nothing untoward happening.”
The pair have been open about their close friendship after working together on the BBC dance show.