**WARNING: NSFW NUDITY**
Lenny Kravitz went HARD at during a concert in Sweden on Monday!
The musician was going all out — literally — during an instrumental break, shaking his head and dropping down low, but his guitar wasn't the only thing he was shredding!
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When he squatted, the 51-year-old completely split his pants down the seam of the crotch, flashing his naked penis to EVERYONE.
The singer recovered pretty quickly by covering his mighty man-meat until he could change his pants. And in case anyone was curious, the c*ck 'n' roller clearly goes commando, since his dangling peen flopped out immediately! LOL!
In one skintillating snap of the wardrobe malfunction, it also looks like he might be wearing a c*ck ring or piercing?!
One concertgoer caught the whole thing on camera! Ch-ch-check it out by clicking HERE, but maybe not at work since, you know, nudity.
If you missed it, the NSFW photo is here.
[Image via Judy Eddy/WENN.]