Actors and actresses ought to work hard, and most of the times their roles involve a lot of dedication. The reason being that they want to create a strong physical and emotional connection with the character they are playing. While some Hollywood actors prefer to do the roles that do not demand much, there are some of the most famous Hollywood actors who do not hesitate to change their appearance completely to justify the character they're to play.
They might have chopped off their hair, gained weight, grew older, (through makeup, of course) and what not, just to ensure it all looks natural. We cannot help but admire their dedication. Let's meet the most courageous actresses ever and admire their talent that's mostly a result of their bravery.