Backgrounds can either be plain or atmospheric and shoots can be indoor or outdoor using natural or artificial light. Backgrounds, expressions, and lighting used differs depending on the desired look/intention.
"The best headshots are neutral but will suggest an archetype that will help casters understand how to cast you." - Nancy Bishop, Secrets From The Casting Couch
While Andrea sometimes use artificial light, the headshots to the left were created using natural light; like the majority of her images.
Color is a powerful tool; especially in imagery. Andrea is adept at using color to communicate!