Related Clues:

• Photographers' requests
• Shows amusement
• 'Candid Camera' request
• The parenthesis in :-)
• Say cheese
• Says 'Cheese!'
• Grins
• Cry before someone snaps
• Show your pearly whites
• Show contentment
• Mona Lisa feature
• Happy expression
• 'Mona Lisa' feature
• Show pleasure in slime
• Gives visible sign of pleasure