The comedian was dumped by his live-in girlfriend Rebecca Humphries last month after he was pictured in a passionate, drunken snog with Katya.
Meanwhile, Kristina can understand how so many dancers fall in love with their partners because you're spending so time together.
She was then partnered with rugby player Ben Cohen on Strictly Come Dancing in 2013, when he was still married to Abby Blayney.
Kristina has always maintained her relationship with Ben didn't start until a year after their split, with the pair welcoming a daughter Milena in 2016.
She insisted that relationships only break down if there's already cracks because Strictly intensifies the problems.
"Both [Katya and Seann] said it was a mistake, there is obviously no way to take it back.