When a dress fails at the Oscars, it's usually not just a mere misstep, but a major miscalculation.
Even the most fashionable celeb can fall victim to a faux pas on Hollywood's biggest night. Often, it's because they were just trying to stand out, but the Academy Awards red carpet is a tough place to pull off a big risk.
Take, for instance, Heidi Klum, who joined the all-time worst dressed list last year, when she hit the red carpet in a lilac Marchesa confection. While the hue was stunning, there was too much tulle, competing oversized flowers and, sadly, not enough sleeves.
Plenty of fans had a field day trying to turn the sartorial slip-up into Easter puns, but the frilly frock pales in comparison to some of the most memorable looks of all time -- for all the wrong reasons.
There was the strapless Dior dress that Charlize Theron donned in 2010, which now seems like it set the stage for Klum:
And the white Christian Dior suit that Celine Dion inexplicably wore backwards in 1999:
Both of those, however, pale in comparison to Gwyneth Paltrow's goth turn in 2002:
Or Bjork's now-infamous swan dress from 2001:
Which other looks have made us scratch our heads over the years? Click through the gallery below to find out!