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Ever wondered? I know I definitely did,
So to answer the question *drum roll please*
According to http://Sanrio.com, she does not have a mouth
BECAUSE SHE SPEAKS WITH HER HEART
HAHAHAHAHAHA corny but so cute!
One thing I have to say - Hello Kitty would not be the same with a mouth. I mean just look at those pictures. So NOT adorable.
Source link: http://www.sanrio.com/faq/