1. An image-capturing apparatus for capturing an image using a solid-state image-capturing device, the image-capturing apparatus comprising: a face detector configured to detect a face of a human being based on an image signal in a period until an image signal obtained by image capturing is recorded on a recording medium; an expression evaluation section configured to evaluate the expression of the detected face and to compute an expression evaluation value indicating the degree to which the detected face is closer to a specific expression than to expressions other than the specific expression; and a notification section configured to output notification information corresponding to the computed expression evaluation value to an image-captured person, wherein the expression evaluation section uses a smile as the specific expression, and computes, as the expression evaluation value, the degree to which the detected face is closer to a smile, and the notification section, in response to the expression evaluation value not exceeding a predetermined value, prompts the image-captured person to form a stronger smile.