The 37-year-old and Ben, 36, were caught up in rumours once again last week when he was pictured leaving her apartment in the early hours of the morning.
Now Strictly dancer Kristina – who first met Ben when they competed on the show together – has insisted she’s not totally ruling out a romance with rugby star Ben.
She told The Sun: “We are both single people. We enjoy each other’s company. We work together.
“Who knows what the future will hold. I do not owe it to the whole country to speak about my private life because it’s just that, private.”
A year after Ben appeared on the BBC One show he split from his wife of 11 years, resulting in Kristina being labelled a home wrecker.
Speaking previously she insisted: “Nothing was ever going on between me and Ben but all this blame was piled on me.
“I was begging to quit and I had to be talked out of it. The only reason I kept going was because I didn’t want to let anyone down.
“Everywhere I looked it was all wrong and dark, and I’d had enough. I wanted to quit the show, quit everything.”
Ben also claimed he was not involved with Kristina at the time of his split from wife Abbey.