Most of us probably even remember Ben Stiller's confusingly creepy Avatar impression back in 2010.
What a lot of us haven't seen, however, are some of the more memorable moments from years' past, and we're talking years that passed a long time ago.
In fact, most of us probably weren't even alive when a lot of these memorable Oscar moments went down, but that doesn't make them any less interesting.
As we prepare for some undoubtedly memorable moments at this year's show, check out some of the most memorable moments from the award show's history, with appearances by Alfred Hitchcock, Sylvester Stallone and some other Hollywood legends.
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Gallery | 2013 Oscars Worst Dressed