Helena Bonham Carter
Event: 83rd Academy Awards
Year: 2011
Est. Cost: $6,000*
Helena Bonham Carter is famous for her quirky and eccentric fashion choices, and her appearance at the 2011 Oscars was no exception. The actress wore a custom-made Colleen Atwood gown, complete with mismatched shoes and wild hair. Although the outfit was undoubtedly unique, it was met with mixed reviews, with some praising its originality and others finding it too over-the-top.