In ten easy steps, the Gossip Girl star shows you how to nail the hipster look this summer.
Pick a hipster you want to emulate
In Penn's case: He chose Devendra Banhart.
Let your hair grow out
Penn's Pro-tip: Don't wash it.
Grow a beard
Penn's Pro-tip: The bushier, the better.
Stop shaving your chest
Penn's Pro-tip: Abs are optional.
Via: popsugar.com