There are plenty of reasons to be intrigued by Gone Girl star Rosamund Pike (read her recent Glamour cover interview for more than a few), not the least of which is her hair. There's the fact that her bob is shaved in the back—for some reason, we wouldn't expect her to be rocking the undercut trend. And there's her knack for dressing her short hair up in intriguing new ways. Here are two examples from her weekend at the Palm Springs International Film Festival. 1. On Saturday, she proved…
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