Lenny Kravitz Does Crack!

6/24/2008 2:10 PM PDT BY TMZ STAFF
Lenny Kravitz is cooler than you -- because he doesn't wear any underwear!

While getting into a vehicle in Prague on Monday, the 44-year-old hipster showed off his back door Britney.

Let's hope Lenny isn't starting a new trend of flashing man-vadges.