Butterfly lighting can be found being used in photo shoots and high value fashion pictures. This can also be described as beauty lighting or lighting that highlights peoples best features. https://photo.stackexchange.com/questions/6772/what-is-butterfly-lighting-and-when-do-i-use-it
In order to achieve butterfly lighting, you must have a camera, light source, reflector, and light stand. Use lighting from the top to create a small shadow like a butterfly would. https://www.lightstalking.com/butterfly-and-loop-lighting/