Chris Hemsworth displays big bulge in 'Vacation' trailer

Chris Hemsworth's big bulge is the star of the newly-released trailer for the upcoming movie, "Vacation."

This reboot of "National Lampoon's Vacation" stars Ed Helms, Christina Applegate and Leslie Mann, and of course, Chris Hemsworth and his bulge, which, by the way, is a prosthetic.

Check out the trailer, courtesy of Comedy Central on YouTube:

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