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"Stars -- times two! From beloved blonde duo Mary-Kate and Ashley Olsen, to Scarlett Johansson and her hunky twin brother, Hunter, see which famous stars have the twin chromosome!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.usmagazine.com/celebrity-news/pictures/celebs-who-have-a-twin-201463?id=36484>