Academy CEO teases what to expect at the Oscars: Surprise reunions, a ‘Wicked’ performance… and Conan

From slaps to envelope mix-ups, it’s impossible to predict what will happen at the Academy Awards. The most glamourous night in Hollywood unfolds during three-and-a-half hours of live television, nearly ensuring some sort of unexpected shocker.

​ From slaps to envelope mix-ups, it’s impossible to predict what will happen at the Academy Awards. The most glamourous night in Hollywood unfolds during three-and-a-half hours of live television, nearly ensuring some sort of unexpected shocker. Read More Breaking News, Latest News and Videos | CNN