And we did have a lot of pressure on us to maintain that image…I don’t have a relationship with her now really, but that’s not because we have any bad blood—we just sort of run in different circles.It’s pretty great, because I love ‘Wrecking Ball’ so much.

’s latest cover star, is currently on tour with Lovato, and commented on her past struggles with depression, drugs, eating disorders and self-harm that ultimately led her to check into rehab in 2010 after punching her backup dancer.

He explained: It’s been years of working on herself and getting better, but she’s amazing—and a better singer, too, because she’s healthy.

But I was genuinely concerned that I might lose my friend. I never struggled with addiction on any level, which I think probably stems from living with diabetes.

And what was so hard is that when she really had her big meltdown while we were on tour years ago, I talked to her and was just like, ‘Look, I see something’s happening.’ But you have to let someone make that choice themselves. I’m not saying that I haven’t had one too many drinks one night, but I think the thing that was most challenging for me was applying a lot of pressure to myself and trying to maintain a real image of perfection, which is so impossible.

And over his eight-song jaunt, he proved he didn't need his brothers to further his career.

With a massive screen behind him, the singer then went into the poppy, radio-friendly Champagne Problems that had him supported by two female backing singers.The pop star also had a firm grasp on his backing band, occasionally giving a wave of the hand and the group stopping on a dime.It might be called Future Now but for Demi Lovato and Nick Jonas, the present day is smooth sailing.The pop darlings brought their Future Now tour to Toronto's Air Canada Centre on Saturday night before a near-capacity horde of predominantly screaming teenaged girls The format was rather unique, with both singers melding their individual sets into a cohesive, seamless 24-song set.And while Lovato felt the love a fraction more, Jonas held his own over the rather economical 90-minute performance.Jonas opened with the groovy Levels that had the fans up and loud from the outset.