As The Huffington Post points out, side boob is so last year. It's all about the full-frontal cutout these days. Of course, not one to take it too far, Mamet toned down the rest of the look with natural makeup and a characteristically messy-chic ponytail. The fact of the cleavage window, however, remains. It's a hard look to rock, but we think she's got it down to a science! Check out more (and trust us, there's a lot to see) after the jump. (The Huffington Post)
Image via The Huffington Post.