To be honest, the neck is natural and may not grow long without plastic surgery. But you can make your neck look longer.

You can open your shoulders and then sink them down, which will make you look longer and your walking posture will look good (this is what professional models do). In addition, don’t wear high-collared clothes and try to wear round-necked or wide-open-collared tops. Exposing the neck and collarbone will have a good effect