Related Clues:

• Beam
• Model's asset
• 'Get ready for the camera!'
• Prepare to be shot
• Mouth widener
• Winner's look
• Photog's request
• Show one's pearly whites
• 'Look happy!'
• It may be silly
• Jack-o'-lantern feature
• Sheepish look
• Winner’s look
• It's heard just before a click
• Lips service?