There have been many celebrities in the past years who have dropped big pounds.

Here is a list of some big weight droppers:

• 50 Cent -- Lost 50 pounds to play a cancer stricken football player in “Things Fall Apart”.
• Beyonce lost 20 pounds to play a singer in “Dream Girls”.
• Christian Bale lost 63 pounds for “The Machinist” and looked deathly skinny.
• Seth Rogen lost 30 pounds for “The Green Hornet”.
• Matt Damon lost 50 pounds for the movie “Courage Under Fire”.
• For “Castaway” Tom Hanks had to gain 40 pounds then lose 50 pounds within a year.
• Colin Farrell lost 40 pounds for the movie “Triage”.
• Orson Welles lost 50 pounds for “Citizen Kane”.
• Daniel Day-Lewis lost 30 pounds for the film “In the Name of the Father”.
• Jennifer Hudson lost 56 pounds for “Winnie”.

Some did it the healthy way, others did it unhealthily, but nonetheless they lost a crazy amount of weight in a short time.