The dress has become iconic partly because of the poignant and dramatic scenes that it appears in, including the famous dinner scene where Rose dines with the first-class passengers. Rose’s wardrobe in "Titanic" was designed by Deborah Lynn Scott, and her work contributed to the film's overall authenticity and visual impact, earning it numerous accolaries, including an Academy Award for Best Costume Design. If you're looking for a costume or more details about this particular dress, many replicas and patterns are available that capture its elegant design.
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Source:https://www.amazon.com/Willyacos-Titanic-Cosplay-Costume-Bukater/dp/B0C715VGPX
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Source:https://www.pinterest.com/pin/693061830146219048/
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Source:https://www.humblebeeandme.com/my-costumes-the-dinner-dress/
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Source:https://www.aliexpress.com/i/1005005456832198.html
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Source:https://www.sensibility.com/blog/blog/resources/titanic-project/original-photos-of-the-actual-titanic-costumes
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Source:https://www.etsy.com/hk-en/listing/203261772/titanic-rose-jump-dress-plus-size-rose
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Source:https://www.pinterest.com/pin/garden-party-fashion-show--10203536646996321/
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Source:https://discover.hubpages.com/style/The-Top-Five-Best-Costumes-wore-by-Rose-from-Titanic
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Source:https://www.ebay.com/itm/324992395261
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Source:https://omniavincitamor.tumblr.com/post/732127997325443072