05/05/2010 05:12 am ET Updated May 25, 2011

The Oscars' 25 Most Memorable Outfits (PHOTOS, POLL)

It's almost time for one of the most wonderful times of the year: the Academy Awards' red carpet, where celebrities and their ilk turn out in their snazziest ensembles. Over the years, we've seen ruffles, feathers, bold colors, biker shorts and a nipple or two. Which of these most memorable Oscar outfits are winners? And which are total losers? And which dresses did we forget?