Nathan Sykes suggests he and his ex-girlfriend Ariana Grande showed their maturity by refusing to find working together awkward.

The former Wanted star dated Ariana for several months in 2013, but that hasn't stopped them teaming up for new love song Over and Over Again. While many suspected recording the track - which includes the lyrics "I won't leave you/ Always be true/ One plus one/ two for life," - could have been uncomfortable, the stars worked hard to be at ease with each other.

"I think it's only as awkward as everyone else makes it," Nathan told ET.

"I spoke to (Ariana) and I was like, 'It's only as awkward as everyone else makes it. If we don't make it awkward, then at the end of the day, after a couple of weeks, it's not going to be awkward anymore.'

"I think it shows real maturity that we can both do this and not really let it bother us."

Nathan, 22, and Ariana, also 22, were only together for a matter of months before they realised their relationship wasn't meant to be. As it was so long ago both have moved on, with Ariana briefly dating her ex-boyfriend Jai Brooks again and then enjoying an eight-month romance with Big Sean. "(I've) experienced so much life experience in those years (since dating Ariana that) it does feel like forever ago," Nathan, who is single, explained.

"It's not weird to me at all. I think the most important thing for me is that she's an incredible vocalist and I really think she brings something great to the song."

Currently Nathan is happily unattached, explaining his manic schedule means he couldn't entertain a lady friend at the moment. When he does feel it's the right time to settle down he will be on the hunt for a woman with good manners who understands his "unique" sense of humour.

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