Related Clues:

• 'You're about to be photographed!'
• 'We shall never know all the good that a simple ___ can do': Mother Teresa
• Brian Wilson album not called "Frown"
• Show one's teeth, in a good way
• Photographer's word before taking a picture
• An upside-down frown
• Opposite of frown
• Please a photographer
• "Say cheese!"
• Word to a poser
• Request before a shot
• Parenthesis, in many emoticons
• Facial expression of pleasure
• Expression shared by the answers to starred clues
• Flash one's pearly whites