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Jamie-Lynn Sigler just added blunt bangs to her ‘do, and debuted the look during New York Fashion Week. “I’m even still getting used to it!” the actress told InStyle.com at the Tracy Reese fashion show.  Sigler was inspired to get the fringe for an upcoming movie role, and went in for the cut a few days ago. “I needed a more serious look for the part, so we went dark with bangs.” But she doesn’t want to keep this look forever: “As soon as the bangs start growing, I’ll start blowing them to the side,” she explained. “I’m just going to have to live with them for a little while.” For more dramatic hair makeovers, click through the gallery.

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— Lindzi Scharf

Katie Cassidy, also known as Gossip Girl‘s Juliet Sharp, debuted a fresh brunet look during New York Fashion Week, an update from her ultra-sunny blond color. “I’m about to shoot a film, so I switched it up,” she told us at the Tracy Reese fashion show. “I feel a bit more mysterious and sexy, but I also think people react to me differently. In a way, they almost take me more seriously as a brunet then as a blond!” The expert colorists at the Valery Joseph Salon in New York City were responsible for the new hue. And Cassidy isn’t the only one going darker for fall—Julianne Moore also recently traded her ginger hair for a darker ‘do. See who else dyed their hair this year in the gallery! 

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— Sharon Clott, with reporting by Lindzi Scharf