Have you ever wondered what it's like to act in a professional setting? What it would be like to dedicate weeks, months, and sometimes even years to getting in the mind of a character so that you live and breathe their lives like you do your own. This is essentially what it takes to execute world-class performances in movies and TV—the kinds of performances that would win an Oscar or Emmy.
These celebrities have all revealed what they think is vital to understand when it comes to acting relating to the approach and mindset. To learn how they do it in their own words, click through this gallery.