Former teen pop idol Nick Jonas has dropped another stunning confession on fans - he has smoked marijuana.

Just weeks after revealing he's no longer a virgin, despite promising fans he would abstain from sex until his wedding night, the clean-cut former Jonas Brothers star has revealed he has been high.

Jonas tells the new issue of Rolling Stone magazine, "I never smoked weed with any of my fellow Disney stars. I smoked weed elsewhere... I was way more guarded back then. I wasn't partying too hard at 15, which is probably for the best.

"I've loosened up quite a bit since then. My Disney years feel like a long, long time ago."

Nick's confession comes hot on the heels of big brother Joe's 2014 big reveal that he first smoked weed with then-girlfriend Demi Lovato and Miley Cyrus when they were teenagers.

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