and then back with Miley,” Demi reveals with a laugh after their host, James Corden, questions Nick’s romantic history. Thank you,” Nick says with a sly grin before adamantly denying there is any truth to what she just said.James questioned if this all went down while he was still wearing his purity ring! Not only is the opening pretty funny, but watching them sing along to all of their own hits — and even a DNCE song — is pretty cool!Tell us, Hollywood Lifers — Are YOU surprised to hear that Nick juggled relationships with Miley and Selena when he was younger?

nick jonas admits dating miley-90

Already a singer in his own right, Nick and his fellow Jonas brothers starred in .

They also dated, because Hollywood is small and love is as about as fleeting as a special drink at Starbucks.

But if that fact isn't nostalgic enough for you, consider this: Miley was Nick's first kiss.

song, which is proof that no matter how famous you become, you can never forget your roots.

He may be co-writing songs with Tove Lo these days, but nothing beats him singing about cheese, right?

Nick Jonas, 23, had no choice but to confess that once upon a time he just could not decide between teen queens Selena Gomez and Miley Cyrus, both of whom are also 23 now. Unfortunately, Demi is there to set the record straight and calls him out again — this time for lying! and then I don’t know what else happened,” Demi explains as Nick watches silently from the backseat. ” Nick asks with a nervous laugh from the backseat.

While filming Carpool Karaoke with his BFF Demi Lovato, Nick revealed exactly how complicated his young love once was. In the above Carpool Karaoke clip, Nick is forced to face his past when his best friend, Demi, totally puts him on blast for juggling both Selena and Miley back in the day. Oh, and just when Nick probably thought things couldn’t get any worse… Thankfully, James cuts him a break so that they can start singing together instead. Make sure you watch the FULL Carpool Karaoke with Demi and Nick above.

He copped to the fun fact while on Nick Grimshaw's BBC 1 radio show, and added that he "kissed her outside of California Pizza Kitchen in Hollywood — very romantic.

I'd just had a pizza that had onions all over it, I'm sure that my breath smelled terrible."When asked if she remembers his breath being terrible, he replied that he'd have to ask her," so hey, they're still on speaking terms. "It was probably pretty potent."He also played a game of "Snog, Marry, Avoid," that included the following options: Miley, Demi Lovato, and Kate Hudson.

He passed on Miley – likely because of the onion incident — and added that "Demi and I are really good friends so I'd marry her because you want to marry your best friends — even though it's weird to say that.

I watched her one of these that she did and she said she'd marry me so I have to pay it back," he said with very sound logic.