An imaging device includes: an imaging unit imaging an object and generating image data of the object; a display unit displaying an image corresponding to the image data; a display controller controlling the display unit to display an expression guide image in which at least a part of expression of a face in the object has been changed; an expression determination unit determining similarity between the expressions in the image and in the expression guide image; an imaging controller controlling the imaging unit to continuously image the object until the expression determination unit determines that the expressions in the image and in the expression guide image are matched, wherein the display controller controls the display unit to display another expression guide image at a time the expression determination unit determines that the expressions in the image in the expression guide image are matched.