'Land Of The Lost' Star Will Ferrell Sings When He's Happy

When MTV's Josh Horowitz sat down with Will Ferrell to talk about this week's release of "Land of the Lost," he asked about the funnyman's penchant for singing. His "Land of the Lost" character Rick Marshall is something of a showtunes fan, but Ferrell himself has never shied away from stretching those vocal chords for his adoring public. Here he gets to the heart of the matter, explaining exactly what compels him to break into song.

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