9. Kim Basinger obviously wanted to stand out at the show in 1990, so she designed her own mess of a dress. Her shockingly, white creation was part strapless and part tuxedo, and featured an incredibly full skirt. 11. It doesn’t get any more unconventional than Demi Moore’s Oscar attire in 1986. The young star rocked spandex biking shorts with an attached train on bottom, exposing her bra under a corset on top.