2012 CFDA Fashion Awards: Mary-Kate Olsen Debuts Brunette Hair (PHOTOS)

Olsen's Wild Style
See Mary-Kate & Ashley Olsen’s 25 Wild Styles.
Mary-Kate Olsen attended the CFDA Fashion Awards in New York City on Monday night with sister Ashley Olsen, however it was Mary-Kate’s hair that stole the show.

Debuting a new brunette look, “brunette Mary-Kate Olsen” became a trending topic worldwide on Twitter.

New hair for a new guy?

According to Us Weekly MK, 25, is dating former French president Nicolas Sarkozy’s younger brother, Olivier Sarkozy, 42.

What do you think of Mary-Kate’s new look? Sound off below!

Plus, get more scoop on Mary-Kate’s supposed new romance here:

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