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Celebs are totally embracing the European ombre trend! While Scarlett Johansson made a splash in this Louis Vuitton ombre dress, Hayden Panettiere said she felt like a princess in her Pamella Roland version. "I just really loved the colors," she told Hollywood.com. "I thought it was a fun dress and it’s so beautiful and classy and I feel comfortable in it." With other stars (see Kristen Bell, Reese Witherspoon, and Ali Larter) oozing ombre, too, it's clear this graduated color technique -- where the dip dye color effect is woven into the fabric -- is taking hold stateside. What do you think about it?

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