Cheeky singer and 'X Factor' host Olly Murs has opened up about his close bond with co-presenter Caroline Flack and confessed that while he's dating someone at the moment, "who knows" what might happen if they were both single at the same time.

During a 'snog, marry, avoid', game on BBC Radio 1, he explained that he does really care for Flack, but they're just not interested in each other romantically:

"We both love each other on more of a friendship level."

"Back in the day we were both single, you know, who knows what might happen... It would be weird if i said I fancied her now because I've got a girlfriend."

After confirming that he would marry Flack, he went onto justify his other choices: "I would snog Rita Ora because she's single, but Cheryl Fernandez-Versini is married. She has got a partner and I don't want to get on the wrong side of him. I'd only avoid her because she is married!"

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Watch the 'snog, marry, avoid' segment here: