"I'm at a yard sale and they have a lot of great stuff, including the dress," she exclaimed, adding, "I knew it was blue," referring to the original debate
Along with dressing in black, mourners were also discouraged from attending parties, meaning no one was wearing black to weddings because they were at home grieving instead
Wave goodbye to ordinary and say hello to extraordinary with this gorgeous black dress
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This article was co-authored by Susan Kim and by wikiHow staff writer, Hannah Madden
Hepburn wore the iconic black Givenchy dress in the film and helped make the style popular in the 60s and 70s