That's just his unshaven o'dark early look after a couple rounds of Old Crow at Katosan's and only 2 hours sleep the night before. Despite what he sings about girly men, Brad would be the first to admit that makeup does wonders for his stage presence.

http://www.youtube.com/watch?v=ZaQ7ajWwFPI

"These days there's dudes gettin' facials, manicured, waxed, and Botox'd...
With deep spray on tans and creamy lotiony hands, you can't grip a tackle box.
Yeah with all of these men linin' up to get neutered, it's hip now to be feminized.
I don't highlight my hair, I still got a pair...
Yeah honey, I'm still a guy.
Aw... my eyebrows ain't plucked, there's a gun in my truck
Oh thank God, I'm still a guy"