According to the popular consensus, "The Artist" is going to win every major award at the Oscars this year, including Best Picture. However, there's always room for an upset. Over the years, there have been plenty of surprise Academy Award winners, from "Crash" beating "Brokeback Mountain" in 2005 to "Rocky" taking out "Network" for Best Picture in 1976.
In honor of this year's Academy Awards -- airing Sunday -- let's take a look at the biggest upsets in Oscar history.
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