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Is Amanda Seyfried a brunette? See the star's hair transformation

"Mean Girls" actress Amanda Seyfried shared a photo on Instagram of what she would look like with short, brown hair.
/ Source: TODAY

As a dog lover, Amanda Seyfried was proud to post a photo on Instagram with her pup Finn and wish him a Happy National Dog Day. But it was her seemingly new 'do that caught our attention.

The actress, famous for her roles in beloved films like "Les Miserables" and "Mean Girls," is pictured with a completely different style than the long blond locks for which she's best known. With piece-y bangs and a brunette bob that seems to skim her shoulders, Seyfried is barely recognizable.

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In fact, the star could almost be mistaken for a modern-day Audrey Hepburn ... with shades to match!

But before we start referring to her as a brunette, it's important to note that this new hairstyle is only temporary. The actress posted a wider photo of herself (looking characteristically poised next to a donkey, of course) and acknowledged that it is indeed a wig.

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Perhaps this dramatic new look is for an upcoming role in a movie? Or, maybe she's getting in touch with her sultry alter ego? No matter the inspiration, it looks like Finn loves it — check out that huge smile!