Heartthrob Nick Jonas has revealed that he does have a favourite Taylor Swift song, but doesn't feel comfortable announcing it because it's a little "controversial". 

The 'Chains' sensation recently surprised fans at Swift's recent '1989' concert in New Jersey by stepping out on stage with her to perform 'Jealous' and he told E! News that naming his favourite song of hers would be awkward because they're mostly about her ex-boyfriends and he doesn't want to be seen siding with any of them:

"I don't know. I don't want to do that because it is, like, highly controversial. That's because a lot of her songs are about her exes, and it's going to sound like I'm siding with one of them. I'm cool with all of her exes."

Jonas, meanwhile, recently split from girlfriend Olivia Culpo and confessed to Hello! magazine that he has no regrets: "We run in different circles now. She's doing her thing and I'm happy for her. I have no regrets about my dating life. It happens for a reason and got me where I am today. The squeaky-clean image makes growing up more interesting to people because they don't expect it from you."

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Watch Jonas' interview on 'The Talk' below: