Billy Crystal: 2012 Oscars host Billy Crystal shines in return to Academy Awards stage

When Twitter users wondered who Paul McCartney was during the Grammy Awards two weeks ago, anyone with even a modest knowledge of pop music history was taken aback. And when Billy Crystal took the stage to hostHosting for the ninth time, Billy pulled out all the standard Crystal jokes -- and even snuck in a few surprises, including a Justin Bieber cameo and a GOP presidential nomination crack. You can check out all of Crystal'sThe film "The Artist" won top honors at the Academy

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