Answer: smile

AnswerCrossword Clue
SMILEPrepare to be shot
SMILEBeam
SMILEUmbrella metaphor in an old song
SMILEReact to a camera
SMILEAmused look
SMILEGrin
SMILEUpside-down frown
SMILEMug for the camera
SMILEOne may be radiant
SMILEOne may be sly
SMILEOne may be wry
SMILEUpturned mug?
SMILESign of pleasure
SMILEThe parenthesis in :-)
SMILELook happy
SMILEPhotographer's request
SMILERequest before a snap
SMILECommand before a click
SMILEYour umbrella, perhaps
SMILEDimple maker
smileto look joyful
SMILEFlip a frown
SMILEShutterbug's request
SMILE"Cheese!" alternative
SMILEIt may be flashed
SMILE:-)
SMILEPut on a happy face
SMILEFunt command
SMILEPicture-posing requirement
SMILESay cheese
SMILEFrown, flipped
SMILE"I'll Never .. Again"
SMILESay "cheese"
SMILEPrepare to be shot?
SMILE"Candid Camera" request
SMILE"Say cheese!"
SMILEDimple creator
SMILEShow one's pearly whites
SMILEPart of a pose, maybe
SMILERequest before a shot