Relax your face and jaw
Think of something genuinely happy
Keep your lips gently closed or slightly parted
Lift the corners of your mouth softly
Smile with your eyes
Practice in a mirror before the shoot
Take a deep breath before each photo
Avoid forcing a wide grin unless it suits the shot
Hold your posture tall and open
Listen to the photographer’s direction
Try different smile levels for different poses
Blink and reset between shots
Keep your tongue lightly behind your top teeth
Let your expression look natural and comfortable