Related Clues:

• Brat's look
• Beam
• Model's asset
• 'Get ready for the camera!'
• Prepare to be shot
• Winner's look
• Photog's request
• Show one's pearly whites
• 'Look happy!'
• It's heard just before a click
• Lips service?
• Cheese accompaniment?
• Exhibit smugness, in a way
• Photographer's request
• Put on a happy face