When you think of Sienna Miller, don’t you think of hippie/boho and earthy colors? I sure do. I’m not sure why that is, but it might have something to do with the fact that she frequently wears Minnetonkas, and also sports a ton of subdued colors like brown, rust, and tan. And what could look better on this adorable Brit import? Sienna’s skin and hair work lovely with these tones, but someone may want to send her a memo that ...