How do you make sure that you don't grin like an idiot, but have a beautiful natural smile in the photo?
Don't say cheese
As you say the word 'cheese', the corners of your mouth are in an unnatural smile.
Make sure to smile
Even if you only have to chuckle at the photographer, you can see it clearly in your smile. Think of something funny to make your smile look more natural.
Smile with your eyes
The well-known model Tyra Banks calls it 'smizen'; smile with your eyes. When you really smile, your eyes join in. Your eyes will therefore also be the first to reveal that your smile is fake.
Practice in front of the mirror
Practice different (smiles) smiles in front of the mirror. Also try laughing with your eyes right away.
Push the tip of your tongue behind your upper teeth
This ensures a beautiful smile, the contours of your face will also appear slightly sharper.
Relax your face
During a real smile, your whole face relaxes except your mouth and the corners of your eyes. So try to relax your face when you smile for the camera.
This video summarizes a few tips.
Do you bare your teeth for a photo?