Here are the best behind-the-scenes Christmas movie facts!Enjoy!But it had to be cut.Because all Christmas decorations in the store took the art department weeks to build!And Josh Hutcherson did all the motion-capture work.But Jim Carrey got the job!But it turned out to use a real one.And the whole stop motion movie took three years to make.They used Cornflakes that were painted white.That means they only got one morning to shot.Because it helped him get through the daily 8.5 hours of Grinch makeup.Because he owned the Plaza Hotel at the time.He actually wore fake rubber feet.Because Capra's grandson actually worked on the movie.