How old do you have to be to watch Smile? Smile is rated R by the Motion Picture Association (MPA), which means that it is restricted to audiences under 17 unless accompanied by a parent or adult guardian. The film contains violence, gore, and strong language.
The MPA rating system is a voluntary system that is used by movie studios to provide parents with information about the content of a film. The R rating for Smile indicates that the film may be inappropriate for children under 17 due to its violent and disturbing content.