Jason Segel is not an actual Muppet -- even though he stars with 'em in the new Muppet movie -- and Fozzie Bear refuses to do full frontal nudity!! Still, one dude can't keep 'em straight in his head.
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Jason Segel -- The Great Muppet Mix-Up
6/28/2011 12:05 AM PDT BY TMZ STAFF
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