Thumbs up.
I prefer her as a brunette -surprise, surprise- but some of those blonde pics work. Though her blonde-look on House is... well, isn't good.
(For what it is worth, JM is a natural blonde.)
I like the last picture on the third row.
Very candid looking with a natural looking smile/laugh. Even if the toothy smile is down-right Giada DeLaurentes-ian.