Girls Star Zosia Mamet Goes Bleach Blonde... and Gets a Tattoo on Her Palm?

If blondes have more fun, and girls just wanna have fun, then a Girls star going blonde is a straight-up partay.

Zosia Mamet and her recently bleached locks hit the Late Show With David Letterman on February 20, and one thing’s certain: Shoshanna would stream-of-consciousness not approve.

Click through to see Zosia’s new ’do — and possible new ink!