"It was Cyrus, Gomez, Cyrus, Gomez, and then I don't know what else happened," Lovato explained with a laugh.
"So this was all during the time when you were wearing the purity ring? NEWS: Nick Jonas Would Marry Demi Lovato Over Selena Gomez and Miley Cyrus While Jonas seemed a bit uncomfortable getting into the intricacies of past relationships, he didn't seem to have any problem talking about his experiences with kinky sex.
After singing his 2014 hit "Chains," the 23-year-old singer admitted that he has been tied up during lovemaking, but said he "didn't enjoy it at all." However, that wasn't the only time Jonas found himself trussed up.
"It's so hard to preform though, without being able to use your hands." WATCH: George Clooney and Julia Roberts Crash Gwen Stefani's 'Carpool Karaoke' Eventually, Corden convinced Lovato and Jonas to join him for a live performance on the sidewalk in Hollywood, where they used bucket drums and a guitar to play Lovato's hit single "Confident" to an audience of tourists and passersby who ended up tossing money into Corden's hat as he collected donations.
This open, honest installment of the popularsegment could go down as one of the best so far.
However, in terms of star-power, it's going to be hard to top George Clooney and Julia Roberts crashing Gwen Stefani's "Carpool Karaoke" earlier this month.
Despite gushing about rumored girlfriend/hookup companion Kate Hudson, the “Levels” singer is very much unattached to any girl at the moment. 22, 2016), Jonas let it be known that he’s currently not dating anyone.
The segment hit the ground running when Corden asked Lovato and Jonas, who have been friends for over a decade, whether or not they ever considered hooking up, but the "Confident" singer denied it in a big way.
"I don’t know if you notice, but I kind of go for older guys," Lovato said, laughing.
Currently the 23-year-old singer is dating 36-year-old actor Wilmer Valderrama.
WATCH: James Corden Reveals His Dream Carpool Karaoke Guests Then Lovato took Corden through the list of Jonas's former girlfriends from back in the Disney day, revealing that he had off and on relationships with both Selena Gomez and Miley Cyrus.
After being photographed having dinner with a mystery blonde at Craig’s over the weekend, the 23-year-old finally cleared the air about his relationship status on Twitter.
Jonas also added that he’s “ready to share the journey I’ve been on this last year” through new music.
Last June, Jonas called it quits with his girlfriend of nearly two years, Olivia Culpo.